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

No products in the cart.

Ask questions which are clear, concise and easy to understand.

Ask Question

Write five uses of washing soda

Posted by Shreya Kumari 4 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Pragya Waldia 4 years, 2 months ago

1 cleansing agent for domestic purpose like washing clothes 2 used for removing permanent hardness of water 3 used in the manufacturing of sodium compound such as borax(Na2B4O7) 4 used in manufacturing of glass paper 5 used for manufacturing of soap. Hope this will help...

ANSWER

Length of alimentary canale depends on ....?

Posted by Nikki Kumari 4 years, 2 months ago

CBSE > Class 10 > Science

3 answers

Akshay Gourgond 4 years, 2 months ago

Depende upon it's nutrition (food,)...

Arpit Singh 4 years, 2 months ago

Thank

Essha Ruhil 4 years, 2 months ago

Depends on functional requirement

ANSWER

What is a inactive form of pepsin

Posted by Upendra Singh 4 years, 2 months ago

CBSE > Class 10 > Science

5 answers

Tanvi Arora 4 years, 2 months ago

Pepsinogen

Bharti Yadav 4 years, 2 months ago

Specific cells within the gastric lining, known as chief cells, release pepsin in an inactive form, or zymogen form, called pepsinogen.

Murari Kandoi 4 years, 2 months ago

Pepsinogen

Charishma Morri 4 years, 2 months ago

inactive form is called PEPSINOGEN

Upendra Singh 4 years, 2 months ago

Anyone who know

ANSWER

In our stomach which acid is

Posted by Pravin Patel 4 years, 2 months ago

CBSE > Class 10 > Science

5 answers

Upendra Singh 4 years, 2 months ago

Hcl

Charishma Morri 4 years, 2 months ago

Hydrochloric acid (HCl)

Aman Jha 4 years, 2 months ago

HCL

Mahima Kumari 4 years, 2 months ago

HCl

Radha Pal 4 years, 2 months ago

HCL

ANSWER

Hmare stomach me kaun sa acid hota h

Posted by Veer,Vansh Prajapati 4 years, 2 months ago

CBSE > Class 10 > Science

5 answers

Tanvi Arora 4 years, 2 months ago

HCL (hydrochloric acid)

Charishma Morri 4 years, 2 months ago

hydrochloric acid

Kanishka Parmar Kanishka 4 years, 2 months ago

HCL which help to activate inactive pesinogen into active pepsin

Pra Deep 4 years, 2 months ago

Hii mam

Sunaina Gothwal 4 years, 2 months ago

Hydrochloric acid

ANSWER

Which position of the object will produce a magnified virtual image, if a concave mirror of focal length 15 cm is being used?

Posted by Bharnak Maji 4 years, 2 months ago

CBSE > Class 10 > Science

4 answers

Komal Yadav 4 years, 2 months ago

Less than 15 cm because the object is placed between the pole and focus

Aman Choudhary 4 years, 2 months ago

Less than 15 centimetres ! Kindly you got it!

Pragya Waldia 4 years, 2 months ago

Less than 15 it will be put between pole and focus of the concave mirror to provide magnified virtual and erect image

Shreya Kumari 4 years, 2 months ago

Less than 15 cm

ANSWER

A gas is evolved when dia. Sulphuric acid reacts with zinc granules.it give a Pop sound when lit match stick is introduced near it.Identify the gas?

Posted by Md. Arman 4 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Shreya Kumari 4 years, 2 months ago

H 2 gas

Account Deleted 4 years, 2 months ago

H2 gas

Mansi Shahi 4 years, 3 months ago

Hydrogen

Lakshya Poonia 4 years, 3 months ago

Hydrogen

Md. Arman 4 years, 3 months ago

Hydrogen

ANSWER

What is chor alkali process

Posted by Dipanshu Saini 3 years, 9 months ago

CBSE > Class 10 > Science

3 answers

Mahima Kumari 4 years, 2 months ago

On electrolysis of aqueous solution (brine solution) of sodium chloride the sodium hydroxide build up near the cathode where water to reduced to hydrogen gas and hydroxide ion this process is called Chlor - Alkali process

Anamika Patel 4 years, 2 months ago

Process of electrolysis of concentration of nacl solution is called brine solution and hydrogen form on cathode and chlorine on anode this process is called chlor alkali

Mansi Shahi 4 years, 3 months ago

The process of electrolysis of brine solution is called chlor alkali

ANSWER

How many people have free fire

Posted by C.M.Pugazhenthi. C.M.Pugazh 4 years, 3 months ago

CBSE > Class 10 > Science

4 answers

Murari Kandoi 4 years, 2 months ago

Lvl 58

Avedhiya Akku 4 years, 2 months ago

50

C.M.Pugazhenthi. C.M.Pugazh 4 years, 3 months ago

My id is Oscarls5911p

C.M.Pugazhenthi. C.M.Pugazh 4 years, 3 months ago

Iam having

ANSWER

CaCo3 name

Posted by Mohit Verma 4 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Shruti Namdev 4 years, 3 months ago

Calcium carbonate

Aditya Singh Chouhan 4 years, 3 months ago

Calcium carbonate (caco³)

C.M.Pugazhenthi. C.M.Pugazh 4 years, 3 months ago

Calcium Carbonate(CaCo³)

Vedant Mundra 4 years, 3 months ago

Calcium carbonate

Naina Gupta 4 years, 3 months ago

Calcium Carbonate ( Lime Stone)

ANSWER

The absolute refractive indices of glass and water are

Posted by Anupama Udayakumar 4 years, 3 months ago

CBSE > Class 10 > Science

4 answers

Komal Yadav 4 years, 2 months ago

Glass-1. 52 and water-1. 33

Mansi Shahi 4 years, 3 months ago

Glass - 1.52 and water - 1.333

Aditya Singh Chouhan 4 years, 3 months ago

Glass- 1.50 Water - 1.33

Kajal Kaushik 4 years, 3 months ago

Water= 1.33; glas=1.50

ANSWER

Who is the Best Teacher of Biology .???

Posted by Naina Gupta 4 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Shreya Kumari 4 years, 2 months ago

I am the best teacher for bio

Aditya Singh Chouhan 4 years, 3 months ago

I think who would u like best ??

C.M.Pugazhenthi. C.M.Pugazh 4 years, 3 months ago

?

ANSWER

P234

Posted by Ashish Kumar 4 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Tannu Yadav 4 years, 3 months ago

Hello sir

ANSWER

Chemical reaction between copper and oxygen can be categorized as _________

Posted by Ikra Chauhan 4 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Pragya Waldia 4 years, 2 months ago

Combination and oxidation. Combination reactions are the reactions where more than one reactants react to form a single product . Oxidation reactions involve addition of oxygen or removal of hydrogen to a substance. 2Cu +O2 —> 2CuO Cu is getting oxidised

Upendra Singh 4 years, 2 months ago

Combination and oxidation

Charishma Morri 4 years, 2 months ago

combination and oxidation

Aditya Singh Chouhan 4 years, 3 months ago

Combination and oxidation

Satin Choudhary 4 years, 3 months ago

Cobination reaction or oxidation

ANSWER

what the science

Posted by Vanshika Singh 4 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Shreya Kumari 4 years, 2 months ago

Science is a technology.

C.M.Pugazhenthi. C.M.Pugazh 4 years, 3 months ago

Free fire id

C.M.Pugazhenthi. C.M.Pugazh 4 years, 3 months ago

Or

C.M.Pugazhenthi. C.M.Pugazh 4 years, 3 months ago

?

Pranav Mishra 4 years, 3 months ago

Can you give me your instagram I'd?

ANSWER

Can CaCO3 be called calcium trioxycarbo

Posted by Supriya Baral 4 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Mahima Kumari 4 years, 2 months ago

No CaCo3 is called calcium carbonate

Mansi Shahi 4 years, 3 months ago

No

Shreya Kumari 4 years, 3 months ago

No, CaCo3 is calcium cabonate

Daksh Batra 4 years, 3 months ago

No

Prachi Wandhekar 4 years, 3 months ago

?

ANSWER

I have to practice mcq free for term 1 exam please suggest me from where i can practice.....????????

Posted by Mr Raj 4 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Murari Kandoi 4 years, 2 months ago

Online

Vedant Mundra 4 years, 3 months ago

Where are you from

Tannu Yadav 4 years, 3 months ago

Hello sir

ANSWER

Why human heart have four chamber?

Posted by Sintu Pal 4 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Komal Yadav 4 years, 2 months ago

Our heart perform double circulation and for this there is a seperation of oxygenated and deoxygenated blood among these 4 chambers

Mamta Devi 4 years, 2 months ago

To seperate deoxygenated and oxygenated blood as this seperation allows an efficient supply of oxygen to body cells

Tanvi Arora 4 years, 2 months ago

For double circulation

Kartik Kulshrestha 4 years, 3 months ago

For double circulation that the oxygenated and deoxygenated blood do not get mix with each other

Sanvi Sharma 4 years, 3 months ago

For double circulation.so that oxygenated and deoxygenated blood donot mix and maintain the body temperature

ANSWER

Marbel formula

Posted by Namita Goswami 4 years, 3 months ago

CBSE > Class 10 > Science

5 answers

Kim Ash 4 years, 3 months ago

Calcium carbonate CaCO3

Lingraj T 4 years, 3 months ago

Caco3

Naina Gupta 4 years, 3 months ago

Calcium carbonate CaCo3

Pawan Murmu 4 years, 3 months ago

Caco3

Steve Kandulna 4 years, 3 months ago

Formula for marble CaCO3

ANSWER

कौन सा पदार्थ प्रकाश की उपस्थिति में विघटित हो सकता है

Posted by Usha Vishnoi 4 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Komal Yadav 4 years, 2 months ago

Silver chloride

Shreya Kumari 4 years, 2 months ago

Silver chloride

Namita Goswami 4 years, 3 months ago

C6h12o6+6o2_6co2+6h2o+e

ANSWER

Hhh

Posted by Abhijeet Kumar 4 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Decomposition in this two substance recant 2kcl+o2

Posted by Alka Yadav 4 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

2kcl+o2

Posted by Alka Yadav 4 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Ritika Thakur 4 years, 3 months ago

2KCl +2O2------2KO2+Cl2

ANSWER

What is the syllabus of science

Posted by ??ℕ??ℍ? ??ℙ?ℝ?? 4 years, 3 months ago

CBSE > Class 10 > Science

2 answers

Akanksha Kumari 4 years, 2 months ago

In term 1 sybullus is chapter 1,2,3,6,10,11 and only MCQ based

Kartik Kulshrestha 4 years, 3 months ago

In term 1 Ch1,2,3,6,11 only MCQ based paper will come its of science

ANSWER

What is the example of dilute acid

Posted by Utkarsh Mahar 4 years, 3 months ago

CBSE > Class 10 > Science

4 answers

Komal Yadav 4 years, 2 months ago

Dilute sulphuric acid

Prachi Wandhekar 4 years, 3 months ago

A dilute acid is that in which the concentration of the water mixed in the acid is higher than the concentration of the acid itself. For instance, 5% sulfuric acid is a dilute acid

Kartik Kulshrestha 4 years, 3 months ago

Dilute hydrochloric acid,dilute sulphuric acid

Sohel Kabir 4 years, 3 months ago

Dil H2SO4

ANSWER

Theroy of practical magnesion ribbon burning

Posted by Truptesh Patel 4 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Ankit Kumar 4 years, 3 months ago

The burning magnesium ribbon produces light of sufficient intensity to cause temporary loss of sight. Avoid looking directly at the light source. The burning of magnesium in air produces intense heat which can cause burns and initiate combustion in flammable materials.

ANSWER

What will happen when two lens are put in front of them

Posted by Arnav Gupta 4 years, 3 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

What do you mean by converging rays and diverging rays

Posted by Aditya Kumar 4 years, 3 months ago

CBSE > Class 10 > Science

3 answers

Ankit Kumar 4 years, 3 months ago

convergent rays are the light rays from different points tend towards single point. divergent rays are the light rays starts from one point travel in different directions.

Prabhjot Singh 4 years, 3 months ago

Converging:- The rays which reflect to meet at same point Diverging :-The rays which reflect to not meet at same point but it diverge . (Converging) means nearing of rays (Diverging) means faring of rays

Prasanna Salunkhe 4 years, 3 months ago

Converging rays means which meet at one point, and diverging age means which diverge from a point.. converging in concave mirror and diverging in convex mirror.

ANSWER

In the food chain given below if the amount of energy available at 4 th tropic level is 5KJ. Then what was the energy available at the producer level

Posted by Jeny James 4 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Kajal Kaushik 4 years, 3 months ago

5000KJ

ANSWER

Which of the following statement is correct given diagram I. Sun near the horizon passes through a thick layer II. Sun appear white as only a little blue and violet colour scattered III. The light that reaches our eye is a shorter wavelength IV. The sky appears yellow during sunrise Options: a. (I) and (II) b. (II) and (IV) c. (III) and (I) d. (IV) and (III)

Posted by Saikat Nandi 4 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Ranjana Vijaywargiya 4 years, 3 months ago

D

ANSWER

Page 108 of 2763

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Google Play

Download myCBSEguide App