CBSE > Class 10 > Science | CBSE Board | Homework Help

Because the lining of the Stomach has mucus which protects it from harm.Furthermore HCl is not necessarily poisonous.This was never said in the chapter its just that HCl is acidic nature.Consuming acidic substances does not necessarily harm the body-for example Lemon Juice has high pH value but still it is consumed without any ill effects.

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How to study physics ? Which is the best yt channel for studying it .

Posted by Ramneet Kaur 3 years ago

CBSE > Class 10 > Science

2 answers

Bhavnoorpreet Kaur 2 years, 11 months ago

Edhup

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Muskan Yadav 3 years ago

You can also prefer vedantu (by Abhisekh sir) vedantu op 😀

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ANSWER

What is the other name of salivary amylase

Posted by Krish Tak 3 years ago

CBSE > Class 10 > Science

5 answers

Neelam Devi 3 years ago

Ptyalin

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Akm Akm 3 years ago

Ptyalin

0Thank You

Purushottam Jha 3 years ago

Ptyalin

0Thank You

Yamini Rajesh 3 years ago

Ptyalin

4Thank You

Sadkeen Zarrin 3 years ago

Tylin

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For cells each of EMF 1.5 volt and the internal resistance 0.5 ohm are connected in series but one cell is wrongly connected as shown in this figure ? The nut voltage and net internal resistance between a and b is

Posted by Sawan Prajapati 3 years ago

CBSE > Class 10 > Science

1 answers

Muhammad Umair 3 years ago

0Thank You

ANSWER

Electricity numerical

Posted by Gopal Pandey 3 years ago

CBSE > Class 10 > Science

2 answers

Mohammed Faizan 3 years ago

Green dp and green wall of free fire 🔥

1Thank You

Mohammed Faizan 3 years ago

Rdx Faizan in YouTube channel subscribe karwa do yaar

1Thank You

ANSWER

how are breathing movements controlled

Posted by Yashal Daundkar 3 years ago

CBSE > Class 10 > Science

2 answers

Yamini Rajesh 3 years ago

Nervous system

1Thank You

Ritika Patel 3 years ago

In humans breathing movements are controlled by pons (a part of hind brain in brain)

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ANSWER

Find equivalent resistance

Posted by Aman Agrawal 3 years ago

CBSE > Class 10 > Science

3 answers

Neelam Devi 3 years ago

Series - R1 + R2 + Rn

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Neelam Devi 3 years ago

Parallel - 1/R1 + 1/R2 + 1/Rn

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Akm Akm 3 years ago

Rs=R1+R2+ R3+...+...

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ANSWER

Speed of light in bromine and refractive index

Posted by Harshit Malik 3 years ago

CBSE > Class 10 > Science

0 answers

ANSWER

2 differences b/w food chain and food web.

Posted by Yug Malik 3 years ago

CBSE > Class 10 > Science

2 answers

Mohammed Faizan 3 years ago

Hello

0Thank You

Nandini . 3 years ago

Two difference can be- 1) food chain is transfer of energy from one organism to another whereas a food web is many foodchains connected 2) in a food chain there is only producer whereas in food web there are many

3Thank You

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How can I solve numerical

Posted by Tripti Tripti 3 years ago

CBSE > Class 10 > Science

4 answers

Jessika Chauhan 3 years ago

you do practise

0Thank You

Ravi Shankar 3 years ago

What is life process?

5Thank You

Abhishek Tiwary 3 years ago

Thanks

5Thank You

Sakshi Sharma 3 years ago

What is structure isomers

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ANSWER

Mode of nutrition

Posted by Prince Verma 3 years ago

CBSE > Class 10 > Science

5 answers

Neelam Devi 3 years ago

Autotrophic and Heterotrophic Nutrition

1Thank You

Sunita Sharma 3 years ago

Autotrophic and heterotrophic

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Omya Aryan 3 years ago

Saprophytic and holozoic nutrition

2Thank You

Tinkoo Pal 3 years ago

1 coulomb of charge

3Thank You

Anushka Sharma 3 years ago

There are two types of mode of nutrition named as :-Autotrophic mode of nutrition,and Heterotrophic mode of nutrition.

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ANSWER

Which part of brain maintains posture and equilibrium of body

Posted by Rashid Mir Mir 3 years ago

CBSE > Class 10 > Science

5 answers

Sawan Prajapati 3 years ago

Cerebellum

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Account Deleted 3 years ago

Cereberum cover 60% area of human brain

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Abhishek Tiwary 3 years ago

Thanks

1Thank You

Arman Ghai 3 years ago

Cerebellum

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Malavika Sanu 3 years ago

Cerebellum

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Chapter 1 bio

Posted by Aman Chaudhary 3 years ago

CBSE > Class 10 > Science

3 answers

Neelam Devi 3 years ago

Life Processes

1Thank You

Yamini Rajesh 3 years ago

Life process

0Thank You

Sarthak Modi 3 years ago

Life process

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ANSWER

What is the name of precipitate formed in reaction of lead nitrate

Posted by Shiwani . 3 years ago

CBSE > Class 10 > Science

5 answers

Arman Ghai 3 years ago

Pbo

1Thank You

Sahaana V 3 years ago

Lead iodide (PbO)

1Thank You

Srishty Kumari 3 years ago

PbO

2Thank You

Vishesh Rai 3 years ago

PbI

0Thank You

Kirti Rane 3 years ago

Lead iodide

3Thank You

ANSWER

Which compound have Reddish brown gas

Posted by Rajat Kumar 3 years ago

CBSE > Class 10 > Science

4 answers

Amit Rana 3 years ago

Lead nitrate but its chemical formula is not PbNo³....its Pb(No³)²and 3,2 are in feet of No and bracket respect tively but due to some typing issue it is seen upper to No3

1Thank You

Nandini . 3 years ago

PbNo³

1Thank You

Vikas Bagla 3 years ago

NO2 is a reddish brown gas called as nitrogen di oxide

2Thank You

Vrinda Jain 3 years ago

Copper nitrate

2Thank You

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Y r test not continuing ?

Posted by Anshika Singh 3 years ago

CBSE > Class 10 > Science

0 answers

ANSWER

What is the reason of Presbyopia

Posted by Pawan Kumar 3 years ago

CBSE > Class 10 > Science

2 answers

Vishesh Rai 3 years ago

1) due to to weakness in ciliary muscles 2) With the pace of age

0Thank You

Omya Aryan 3 years ago

Presbyopia occurs with the loss of age. It reduces the ability of ciliary muscles which reduces the power of accommodation.

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ANSWER

What is the unique property of carbon atom ? How is this property helpful to us

Posted by Ayushi Upadhyay 3 years ago

CBSE > Class 10 > Science

4 answers

Priyanka Udade 3 years ago

Catenation

1Thank You

Bushra Aquil 3 years ago

1. Catenation 2.tetravalency 3.Isomers 4.Size of atom -small

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Mmm .... 3 years ago

Size of atom is small therefore it make n numbers of bonds and possess unique property.

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Ishar Charan 3 years ago

Catenations and tetravalency it is useful for it using this carbon share 4 bondo

0Thank You

ANSWER

Difference between soaps and detergents..

Posted by Alisha Malik 3 years ago

CBSE > Class 10 > Science

2 answers

Ayushi Upadhyay 3 years ago

Detergent These are sodium or potassium salt of sulphuric acid of hydrocarbons

2Thank You

Ayushi Upadhyay 3 years ago

Soap They are sodium salts of long chain fatty acide

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ANSWER

In reaction of zinc granules with dilute sulphuric acid testing of hydrogen gas by burning. What would happen if the following changes are made: a . In place of zinc granules, a big piece of zinc is taken .

Posted by Riddhi Sharma 3 years ago

CBSE > Class 10 > Science

2 answers

Vishesh Rai 3 years ago

The speed of reaction will be fast

0Thank You

Mangifera Indica 3 years ago

Reaction will occur fast and the H2 gas is evolved with pop sound

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ANSWER

Part of human brains

Posted by Sana Ansari 3 years ago

CBSE > Class 10 > Science

5 answers

Neelam Devi 3 years ago

Fore brain , mid brain and hind brain

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Rithik Tiwari 3 years ago

Fore brain Hind brain Mid brain

0Thank You

Sarthak Modi 3 years ago

Fore brain mid brain hind brain

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Pawan Kumar 3 years ago

1)Fore brain 2) Mid brain 3) Hind brain

1Thank You

Jiya Jain 3 years ago

Fore brain Mid brain Hind brain

1Thank You

ANSWER

Which molecular formula corresponds to ethyl butanoate ester

Posted by Bhavay Sharma 3 years ago

CBSE > Class 10 > Science

2 answers

Aditya Sharma 2 years, 11 months ago

Ester-CH3-C=O-O-CH2-CH3

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Aryan Indani 3 years ago

With the function group C=O-OH

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ANSWER

Fish have 4 chamber heart and humans also and human blood is separated but why fish blood is not seperated?

Posted by Bhavay Sharma 3 years ago

CBSE > Class 10 > Science

1 answers

Rohit Kumar 3 years ago

Fish have two chambered heart not 4

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Prateek's class teacher heated a few crystals of ferrous sulphate in a boiling tube. After some time he observed that

Posted by Manshvi Sharma 3 years ago

CBSE > Class 10 > Science

4 answers

Manshvi Sharma 3 years ago

Thanku everyone ♥️

1Thank You

Aryan Indani 3 years ago

Fe2O3 is formed with liberation of So2 and So3 gas

2Thank You

Rohit Kumar 3 years ago

Ferric oxide is formed

2Thank You

Bhavay Sharma 3 years ago

(a) Green colour of FeSO4 disappears which means a change in state and colour occurs. (b) The reddish brown solid is formed and gas is generated during this process.

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What is the use of mucus in stomach

Posted by Lokesh Agarwal 3 years ago

CBSE > Class 10 > Science