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Observe the two chemical equations given below. P) Ca(OH)2 + HNO3 -----> Ca(NO 3)2 + H2O Q) KBr + AgNO3 -----> KNO3 + AgBr (a) Explain how a balanced equation can be identified. (b) Which of the two equations is/are NOT balanced? Balance the equation(s) by rewriting. 3

Posted by Reet Kaur 2 years, 11 months ago

CBSE > Class 10 > Science

1 answers

Prince Sharma 2 years, 11 months ago

(a) An equation of chemical reaction is said to be balanced if there are same number of atoms of an element on both sides of arrow. Since mass can neither be created nor destroyed in a chemical reaction. (b) Equation 'P' is unbalanced equation. Balanced equation for the same is:- Ca(OH)² + 2H(NO)³ ------> Ca(NO³)² +2H²O

ANSWER

Which gas is liberated when an acid react with a metal? Illustrate with an example. How will you test for the presence of this gas

Posted by Nusrat Khatun 2 years, 11 months ago

CBSE > Class 10 > Science

5 answers

Daksh Jain 2 years, 11 months ago

Hydrogen gas is release when acid is react with metal for example: Zn +HCL =ZnCl +H2 . To test the hydrogen gas: we can take one breaker in soap solution paas the gas through soap solution and then take burning candle near the solution when gas is release to make pop sound

Kiran Rawat 2 years, 11 months ago

Thanks

Himanshi Verma 2 years, 11 months ago

Hydrogen gas is released when an acid react with metal. Eg- Zn + H2so4 = Znso4 + H2 This gas can be tested by bringing a burning candle on test tube's mouth where above rxn has took place. It produces a POP sound.

Arpit Sahu 2 years, 11 months ago

Acids + Metals → Salt + Hydrogen gas. Example: Hydrogen gas is produced when dilute combines with zinc metal

Lavish Sharma 2 years, 11 months ago

Hydrogen gas liberated when acid reacts with metal . Zn + 2HCl ----› ZnCl2 + H2 Test of this gas is bring burning matchstick in touch of this gas and is burns with pop sound.

ANSWER

applying division algorithm prove that g(x)=ax²+3x+1 is a factor of the polynomial f(x)=3x⁴+5x³-7x²+2x+2.

Posted by Tanneru Sahithi 2 years, 11 months ago

CBSE > Class 10 > Mathematics

2 answers

Naman Sharma 2 years, 11 months ago

It is not in syllabus

Bikkina Sai Ram Teja 2 years, 11 months ago

Use division algorithm

ANSWER

Can i get odia sample paper

Posted by Biswaranjan Pradhan 2 years, 11 months ago

CBSE > Class 10 > Regional Language

1 answers

Mfj6Chj Jvnvfmmh 2 years, 11 months ago

Hi 🙃 I'm a student.. Language board questions and sample papers pls check out the app.... CLASS 10 CBSE PAPERS ... this app helped me a lot to study my regional language for board exam Study well 😁best of luck

ANSWER

Can i get odia

Posted by Biswaranjan Pradhan 2 years, 11 months ago

CBSE > Class 10 > Regional Language

1 answers

Parth Lande 2 years, 11 months ago

Hi😄! I am student. For need of odia you can get that from MyCBSEguide aap . Must download and enjoy. 😁 May be Have a Nice and great exam ..... Best of luck dude😃😃😃😃

ANSWER

Sample paper solution

Posted by Priyanshu Singh 2 years, 11 months ago

CBSE > Class 10 > Social Science

1 answers

Aavish Pathak 2 years, 11 months ago

Question please

ANSWER

How to understand and learn/talk Sanskrit

Posted by Dev Sharma 2 years, 11 months ago

CBSE > Class 10 > संस्कृत (शेमुषी)

1 answers

Dev Sharma 2 years, 11 months ago

Same to you

ANSWER

Why carbon. Is tetravalent

Posted by Ritik Arora 2 years, 11 months ago

CBSE > Class 10 > Science

4 answers

Aditya Sharma 2 years, 11 months ago

Because it has tendency of loss of 4 electron or gain 4 electron that why it is called tetravalency

Prince Sharma 2 years, 11 months ago

Atomic number of Carbon is 6, and it's electronic configuration of electrons is 2,4. Due to four electrons in its outermost shell it is said to be 'tetravalent', 'tetra' is a Greek word which means four.

Himanshi Verma 2 years, 11 months ago

Carbon is tetravalent because it has 4 electrons in its outermost shell have electronic configuration of 2,6

Omya Aryan 2 years, 11 months ago

Because it has the tendency to share electron.

ANSWER

Write the advantages of networking?

Posted by Saneha Rana 2 years, 11 months ago

CBSE > Class 10 > Information Technology (402)

4 answers

Arpit Sahu 2 years, 11 months ago

It is easy to back up all the data as it is stored on the file server. Communication becomes easy with the help of an email and instant messenger. Sharing of the files is easy

Dev Sharma 2 years, 11 months ago

shows all information by network, today people depend on it

Dev Sharma 2 years, 11 months ago

Ex lan, wan, man is normally used by people

Dev Sharma 2 years, 11 months ago

We can connect with whole world by network

ANSWER

Can I get nepali sample paper

Posted by Soviksha Rai 2 years, 11 months ago

CBSE > Class 10 > Regional Language

1 answers

Mfj6Chj Jvnvfmmh 2 years, 11 months ago

Hi 🙃 I'm a student.. Language board questions and sample papers pls check out the app.... CLASS 10 CBSE PAPERS ... this app helped me a lot to study my regional language for board exam Study well 😁best of luck

ANSWER

How to do bahuvrihi samas

Posted by Tanmay Mamgai 2 years, 11 months ago

CBSE > Class 10 > संस्कृत (शेमुषी)

1 answers

Shreya Shrivastava 2 years, 10 months ago

Doing more and more practice and understand basic concept learn from YouTube according to me mastarsahab is best

ANSWER

Three circles each of radius 1 touch one another externally and they lie between two parallel lines. The maximum possible distance between the lines is.

Posted by Mayur Raj 2 years, 11 months ago

CBSE > Class 10 > Mathematics

2 answers

Taniya . 2 years, 11 months ago

h=23×2=√3 But the required length is L=1+h+1 So, L=2+√3

K. Hema 2 years, 11 months ago

H=root 3, l=1+h+1,=1+root 3+1 =2+ root 3 is the answer.

ANSWER

Pranjali gets up at 5 am and goes to her badminton classes. Then she comes home and finishes her homework before going to school. She does this all by herself. No 1 one tells her to do it. This is an example of (a) Self-motivation (b) External motivation (c) Both self and external motivation (d) Not any specific type of motivation

Posted by Nerfed Zenox 2 years, 11 months ago

CBSE > Class 10 > Artificial Intelligence (417)

5 answers

Skxll 💀 2 years, 11 months ago

A) self motivation

Kashish Kashish 2 years, 11 months ago

Self motivation

Praveena Sri 2 years, 11 months ago

A)

Anokhi Agrawal 2 years, 11 months ago

a) self motivation

Anokhi Agrawal 2 years, 10 months ago

.

ANSWER

usne apne aap ko kabhi pagal nahin kaha ka mishrit vakya hoga ?

Posted by Deepanshu Chawla 2 years, 11 months ago

CBSE > Class 10 > हिंदी ब

1 answers

Deepanshu Chawla 2 years, 11 months ago

usne kabhi nhi kha ke ma pagal hu

ANSWER

What is the use of Crystal tube

Posted by Sooraj Hathwar 2 years, 10 months ago

CBSE > Class 10 > Science

1 answers

Preeti Dabral 2 years, 10 months ago

They function in an array of applications, including laboratories, semiconductors, sight gages, optics, pharmaceutical and industrial processes.

ANSWER

Why are Bubbles formed in soap solution

Posted by Sooraj Hathwar 2 years, 11 months ago

CBSE > Class 10 > Science

3 answers

Himanshi Verma 2 years, 11 months ago

Bubbles are formed due to presence of hydrogen gas.

Ritik Arora 2 years, 11 months ago

Beacuse of micelle formation

Sooraj Hathwar 2 years, 11 months ago

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ANSWER

Can I get Gujarati Sample paper ?

Posted by Dhruvin 12 2 years, 11 months ago

CBSE > Class 10 > Regional Language

2 answers

Mfj6Chj Jvnvfmmh 2 years, 11 months ago

Hi 🙃 I'm a student.. Language board questions and sample papers pls check out the app.... CLASS 10 CBSE PAPERS ... this app helped me a lot to study my regional language for board exam... but I don't know whether it is released by cbse or not 😅 Study well 😁best of luck

Dhruvin 12 2 years, 11 months ago

Other than released by cbse

ANSWER

The children probably

Posted by Saksham Jaiswal 2 years, 11 months ago

CBSE > Class 10 > English Language and Literature

1 answers

Archana Kamble 2 years, 11 months ago

Ans me

ANSWER

If a student is sitting at last bench of class and he can clearly distant objects but when he sits at the first bench he can't see board properly. What lens he prefer now?

Posted by Datta Nikhil 2 years, 11 months ago

CBSE > Class 10 > Science

5 answers

Manas Sharnagat 2 years, 11 months ago

Concave lens

Sooraj Hathwar 2 years, 11 months ago

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

Few rules to keep homework help section safe, clean and informative.

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Sooraj Hathwar 2 years, 11 months ago

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

Few rules to keep homework help section safe, clean and informative.

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Harshit Gupta 2 years, 11 months ago

Concave lens

Harshit Singh 2 years, 11 months ago

Concave lens

ANSWER

Tamil Sample Question Paper

Posted by Sauparn Senthil 2 years, 11 months ago

CBSE > Class 10 > Regional Language

1 answers

Mfj6Chj Jvnvfmmh 2 years, 11 months ago

Hi 🙃 I'm a student.. Language board questions and sample papers pls check out the app.... CLASS 10 CBSE PAPERS ... this app helped me a lot to study my regional language for board exam Study well 😁best of luck

ANSWER

Electric motor is deleted or not for 2023 board exam

Posted by Fidha Sunil 2 years, 11 months ago

CBSE > Class 10 > Science

5 answers

Arpit Sahu 2 years, 11 months ago

Yes delete

Ayush Mishra 2 years, 11 months ago

Deleted

Sooraj Hathwar 2 years, 11 months ago

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

Few rules to keep homework help section safe, clean and informative.

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Harshit Singh 2 years, 11 months ago

Deleted

Shashank Shukla 2 years, 11 months ago

Deleted

ANSWER

यदि sin theta + cos theta =√2 हैं तो सिद्ध कीजिए कि Tan theta + cot theta =2.

Posted by Saneha Rana 2 years, 11 months ago

CBSE > Class 10 > गणित

0 answers

ANSWER

How to prepare social science for class 10th board

Posted by Siffat Luthra 2 years, 11 months ago

CBSE > Class 10 > Social Science

3 answers

Anjali Nagar 2 years, 10 months ago

Study and read ncert twice

Raghav Adlakha 2 years, 11 months ago

"YOUTUBE" ❤🤝

Shαshαnk Shiv 2 years, 11 months ago

Study and get preparrr

ANSWER

What do you mean by mathmatics class 10th cbse. And what you choose in 11th if you choose maths so what type of maths have you standard or basic. I choose bio to become a doctor.

Posted by Dev Sharma 2 years, 11 months ago

CBSE > Class 10 > Mathematics

4 answers

Dev Sharma 2 years, 11 months ago

But my class topper girl choose basic for bio so I can realise

Dev Sharma 2 years, 11 months ago

Because in the past I don't have idea about bio ; my thinking is when I take maths standard so we can select bio

Adiba Mansuri 2 years, 11 months ago

If you want to take maths in 11th so choose standard or you have to choose bio so you can choose basic maths...

Dev Sharma 2 years, 11 months ago

Can you hate maths while you choose maths with standard. So why you choose maths

ANSWER

Q1:What type of root exist in quadratic equations? give me most important questions of quadratic equations chapter!. Thanku.

Posted by Dev Sharma 2 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Naushad Alam 2 years, 11 months ago

The

ANSWER

Define term electro conductivity

Posted by Rita K 2 years, 11 months ago

CBSE > Class 10 > Science

2 answers

Arpit Sahu 2 years, 11 months ago

Conductivity of a metallic wire is defined as its ability to allow electric charges or heat to pass through it

Manik Chauhan 2 years, 11 months ago

Electrical resistivity is a fundamental property of a material that measures how strongly it resists electric current

ANSWER

For which value of P will the line represented by the following pair of linear equations P parallel 3x - 5 -y=0, 6x-2y-p=0 (a) all real values except 10 (b) 10 (c) 5/2 (d) 1/2

Posted by Rounak Gupta 2 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Aastik Singh 2 years, 11 months ago

a all real value except

ANSWER

Explain the role of education and health in the overall development of a country.

Posted by Mahima Singh 2 years, 11 months ago

CBSE > Class 10 > Social Science

3 answers

Devraj Sharma 2 years, 11 months ago

_Health_ : Without proper health facilities, no matter how much a country earns, it will not be able to provide basic facilities to it's people. _Education_ : education has become an important factor in leading a quality life . So, if the country has high income but the literacy rate is low, it cannot be considered developed. ( Note : this question is according to cbse and also a previous year question )

Aavish Pathak 2 years, 11 months ago

Role of education and health is one of the major thing as if everyone is educated and has a proper health then everyone could help in increasing the economy of the country

Rupanshu Mahant 2 years, 11 months ago

Very important

ANSWER

Hoe is federalism practised

Posted by Dinesh Kumar 2 years, 11 months ago

CBSE > Class 10 > Social Science

1 answers

Dev Sharma 2 years, 11 months ago

Ans: By linguistic state , Language policy of state, the Centre-State relations Medium important

ANSWER

Two vertices of an isoceles triangle are (2,0) and (2,5).find the third vertex if the length of the equal side is 3

Posted by Sahil Singh 2 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Dev Sharma 2 years, 11 months ago

∴ Coordinate of third vertex (a,b) = (22+11,25) and (22−11,25)

ANSWER

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