CBSE > Class 10 | CBSE Board | Homework Help

A balanced chemical equation is a type of equation in which the number of atoms of each element is same in both the sides of the reaction. Eg- Mg +O2 --> 2MgO

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What is present in the petals of plang such as hibiscus that make it an indicator but no lotus . Why?

Posted by Mr Khan 5 years, 7 months ago

CBSE > Class 10 > Science

0 answers

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Express each number as product

Posted by Nandha Kumar 5 years, 7 months ago

CBSE > Class 10 > Mathematics

0 answers

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Write an article on 'Education our future key'

Posted by Anushka ???? 5 years, 7 months ago

CBSE > Class 10 > English Language and Literature

1 answers

Lucifer??Morningstar?? . 5 years, 7 months ago

Time milega to likh kr vej denge

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Write a storyon given starting yesterday morning i was getting ready for my school as soon as i pick up my school bag someone knocked the door and saw

Posted by Asmita Basnett 5 years, 7 months ago

CBSE > Class 10 > English Language and Literature

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A sweet shopkeeper prepares 396 gulab jarnuns and 342 ras-gullas. He packs than in 4 containers. Each container consists of either gulab jamum or ras-gullas but have equal number of pieces. Find the number of pieces he should put in each box so that numbers of boxes are least.

Posted by Ravindrapatil Jarhad 5 years, 7 months ago

CBSE > Class 10 > Mathematics

1 answers

Bharat Dashora 5 years, 7 months ago

you should use hcf in this problem

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Propagation of sound

Posted by Vicky Singh 5 years, 7 months ago

CBSE > Class 10 > Science

1 answers

Mansi Mishra 5 years, 7 months ago

The Propagation of sound. Sound is a sequence of waves of pressure which propagates through compressible media such as air or water. (Sound can propagate through solids as well, but there are additional modes of propagation). During their propagation, waves can be reflected, refracted, or attentuated by the medium.

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Mata ka anchal path me Prakriti ke sannidhy me balako ka svabhavik vikas kis prakar dikhaya gya hai ? Pls answer jaldi de do its very urgent .. No silly answers pls.

Posted by Sreejitha R 5 years, 7 months ago

CBSE > Class 10 > हिंदी ए

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Use euclid division Lemma to show that the square of any positive integer in either of the from 3m or 3M + 1 for some integer m

Posted by Shreya Chatterjee 5 years, 7 months ago

CBSE > Class 10 > Mathematics

1 answers

Mansi Mishra 5 years, 7 months ago

Let x be any positive integer, then it is of the form 3q, 3q + 1 or 3q +2. Now, we have to prove that the squre of each of these can be written in the form 3m or 3m +1. Now, (3q)2=9q2=3(3q2)=3m, where m=3q2 (3q+1)2=9q2+6q+1 =3(3q2+2q)+1 = 3m + 1, where m=3q2+2q and, (3q+2q)2=9q2+12q+4 =3(3q2+4q+1)+1 = 3m + 1, where m=3q2+4q+1 Hence, the result.

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Terminating and non terminating expansion rational number

Posted by Rajesh Rai 5 years, 7 months ago

CBSE > Class 10 > Mathematics

3 answers

Miss__ Thakur 5 years, 7 months ago

HOPE THIS WOULD HELP U TO UNDERSTAND ??

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Miss__ Thakur 5 years, 7 months ago

For understanding u, terminating means decimal ke baad jb no. Pura complete ho jayata hai...then that no.is terminating no.for eg. 34525/2 = 17262.5 WHEREAS non terminating vo hote hai jiska end na ho ...i mean jo continuously chalte rehete hai.... for eg. If there is any no. When we divide the no. Not ends...let it may be 4.090090009900009...........so on.......

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Sreejitha R 5 years, 7 months ago

Integers are positive and negative whole numbers including zero, such as {-3, -2, -1, 0, 1, 2, 3}. When these whole numbers are written in the form of ratio of whole numbers it is known as rational numbers. So, rational numbers can be positive, negative or zero. So, a rational number can be expressed in the form of p/q where ‘p’ and ‘q’ are integers and ‘q’ is not equal to zero. Rational Numbers in Decimal Fractions: Rational numbers can be expressed in the form of decimal fractions. These rational numbers when converted into decimal fractions can be both terminating and non-terminating decimals. Terminating decimals: Terminating decimals are those numbers which come to an end after few repetitions after decimal point. Example: 0.5, 2.456, 123.456, etc. are all examples of terminating decimals. Non terminating decimals: Non terminating decimals are those which keep on continuing after decimal point (i.e. they go on forever). They don’t come to end or if they do it is after a long interval. For example: π = (3.141592653589793238462643383279502884197169399375105820974.....) is an example of non terminating decimal as it keeps on continuing after decimal point. If a rational number (≠ integer) can be expressed in the form p2n×5m, where p ∈ Z, n ∈ W and m ∈ W, the rational number will be a terminating decimal. Otherwise, the rational number will be a nonterminating, recurring decimal.

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How will concentration of H3O+ ion change on dillution of an acid??

Posted by Ajay Gill 5 years, 7 months ago

CBSE > Class 10 > Science

1 answers

Bharat Dashora 5 years, 7 months ago

because adding water which is an neutral is doing oxidation

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What is the difference between atomic mass and mass number

Posted by Hema Hema 5 years, 7 months ago

CBSE > Class 10 > Science

1 answers

Mansi Mishra 5 years, 7 months ago

Atomic mass is the weighted average mass of an atom of an element based on the relative natural abundance of that element's isotopes. The mass number is a count of the total number of protons and neutrons in an atom's nucleus.

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What is the symbol printed on the france coins in 1850

Posted by Satish Naikar 5 years, 7 months ago

CBSE > Class 10 > Social Science

1 answers

Krishna Vaishist 5 years, 7 months ago

Marriane image

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What is the formula to find out nth term of an Ap

Posted by Keerthana Chinnu 5 years, 7 months ago

CBSE > Class 10 > Mathematics

3 answers

Aryan Mishra 5 years, 7 months ago

An=a+(n-1)d

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Drip ? Drop? 5 years, 7 months ago

An=a+(n-1)d khush chini

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Keerthana Chinnu 5 years, 7 months ago

Any one answer this

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What is emulsification? Justify your answer with an example in context with digestive system

Posted by Seema Mishra 5 years, 7 months ago

CBSE > Class 10 > Science

1 answers

Drip ? Drop? 5 years, 7 months ago

The breakdown of fats globles in the ordinal into Tiny droplets which provide the larger area on which enzyme pancreatic lypas help to broke the fat into tiny droplets.bas...

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What is majoriatrinasim need?

Posted by Abhinav Anand 5 years, 7 months ago

CBSE > Class 10 > Social Science

1 answers

Krishna Vaishist 5 years, 7 months ago

The belief of the majority of the population is called majoritrinasim. Only need of this to satisfy that majority of people. It seems good but it has long lasting effects on country's integrity because it can create violence in country. Example can be seen in Sri Lanka

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What is majoirtarisim need?

Posted by Abhinav Anand 5 years, 7 months ago

CBSE > Class 10 > Social Science

1 answers

Sreejitha R 5 years, 7 months ago

Majoritarianism is a traditional political philosophy or agenda that asserts that a majority of the population is entitled to a certain degree of primacy in society, and has the right to make decisions that affect the society.

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Explain why 7*11*13+13 and 7*6*5*4*3*2*1+5 are composite numbers

Posted by Anisha Tickoo 5 years, 7 months ago

CBSE > Class 10 > Mathematics

3 answers

Bharat Dashora 5 years, 7 months ago

because composite factors have more than 2 factors so means both nos. are composite

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Anisha Tickoo 5 years, 7 months ago

Don't use abusive language

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Anisha Tickoo 5 years, 7 months ago

Behave yourself

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Diagrammatically illustrate the process of utilisation and dugestion of food in amoeba

Posted by Twinkle Aggarwal 5 years, 7 months ago

CBSE > Class 10 > Science

1 answers

Mansi Mishra 5 years, 7 months ago

Amoeba is a unicellular animal, so it doesn't have a mouth for ingestion of food. Amoeba ingests the food by encircling it by forming pseudopodia. ... The food digested by digestive enzymes is then absorbed in the cytoplasm by the process of diffusion. While the undigested food remains in the food vacuole.

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Ex- 1.1 Q 1 use euclid division algorithm to find the HCF of (i) 135 and 225

Posted by Sunny Singh 5 years, 7 months ago

CBSE > Class 10 > Mathematics

1 answers

Sunny Singh 5 years, 7 months ago

225 = 135 ×1+90 135 =. 90 ×1+45 90 =. 45 ×2+0 The divisior at this stage is 45. The HCF of 135 and 225 I hope you can understand this question

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Where did lencho live

Posted by Sunny Singh 5 years, 7 months ago

CBSE > Class 10 > English Language and Literature

3 answers

Aryan Mishra 5 years, 7 months ago

Lencho was lived in a village. His house sat on crest of a low hill.

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Rishabh Gangawat 5 years, 7 months ago

learn to live in a small valley and about the no person was leaving he was alone with his family and the valuable surrounded by the figures the trees and and there was a feeling of the nature and there was a feeling of the peace there were many hues were also there it was an open area we can say thank you

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Sunny Singh 5 years, 7 months ago

Lencho was a farmer .He lived in a very deep village. His house situated on the top of the hill. His main problem was about his corn field which was totally distroyed by the hailstorm. His profession was only farming so he couldn't he wrote a letter to God he asked God from hundred pesos

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Repoduction in flower

Posted by Ayushi Singh 5 years, 7 months ago

CBSE > Class 10 > Science

1 answers

Lc Choudhary 5 years, 7 months ago

Good

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What is Mean by regelation

Posted by D Ivya Goley 5 years, 7 months ago

CBSE > Class 10 > Science

2 answers

Ajay Gill 5 years, 7 months ago

It is the phenomenon of melting under pressure and refreezing when pressure is reduced. Eg: if a thin wire is tied around an ice block and attached to a heavy weight slowly and gradually the wire will pass through the entire block .

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Jeslin Anna Jacob? 5 years, 7 months ago

a phenomenon in which the freezing point of water is lowered by the application of pressure; the melting and refreezing of ice, at constant temperature, caused by varying the pressure.

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Can i have sample test papers from chapter no. 1 to chapter no. 5 all lessons inclusive in one paper.

Posted by Naresh Singh 5 years, 7 months ago

CBSE > Class 10 > Mathematics

1 answers

?? ?? 5 years, 7 months ago

Yes l have

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What was the economical and political situation in india

Posted by Sni Pwer 5 years, 7 months ago

CBSE > Class 10 > Social Science

1 answers

Yogita Ingle 5 years, 7 months ago

THE First World War created a new economic and political situation :

It led to a huge increase in defence expenditure which was financed by war loans.
Taxes were increased, custom duties were raised and income tax was introduced.
Through the war years, prices increased doubling between 1913 and 1918 leading to hardship for the common people.
Forced recruitment in rural areas caused widespread anger.
The failure of crops in many parts of India had created food shortages, leading to the added misery of the people.
There was the outbreak of the great influenza epidemic. Millions of the people perished due to influenza and starvation.
The Nationalist Movement grew stronger during the war years.

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How to study S.St NTSE syllabus ?

Posted by Jaya Agrawal 5 years, 7 months ago

CBSE > Class 10 > NTSE Scholarship