08:31

The Indian Constitution class 8 | Why Does a Country Need a Constitution? | Need of constitution

10:01

The Indian Constitution: Key Features class 8 | Federalism | Parliamentary form of government

08:04

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39:38

some basic concepts of chemistry examples | some basics concepts of chemistry ncert examples

24:41

tissue ncert solutions class 9 | tissue ncert class 9 | tissue class 9 ncert solutions | tissue

29:38

tissue class 9 intext question answer | tissue intext questions class 9 | tissue intext questions

01:02:55

atoms and molecules ncert solutions | atoms and molecules ncert solutions class 9

49:08

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05:30:10

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03:31

electric car project | homemade electric car | diy electric car | diy electric car at home

02:15

which colour clothes you should wear in summer experiment | best colour for low heat absorption

00:44

dancing of camphor on water | dancing of camphor | dancing camphor on water | camphor dancing

03:03

camphor boat on water | water boat science project | camphor craft boat | water boat using camphor

01:30

laws of reflection experiment | laws of reflection activity | laws of reflection of light

01:27

how to make iron nail magnet | iron nail magnet | iron nail as a temporary magnet | science

02:17

cold air experiment | balloon in bottle experiment | balloon in bottle science trick | science

01:41

bottle deformed experiment | hot air cold air experiment | hot air cold air science activity

02:34

hot air rises up experiment | hot air expands experiment | air pressure experiment | air pressure

03:20

water bottle filter experiment | water bottle filter project | water bottle filter science project

01:44

tds increase in water | how to increase tds in water | High tds affect your body | tds in water

03:25

tds in water kya hai hindi me | tds kya hai hindi me | tds level kaise check kare | tds kya hota hai

04:13

litmus test for acids and bases | litmus paper test for acids and bases | litmus paper activity

03:37

make compass at home | how to make compass at home | how to make magnetic compass at home | compass

01:51

rising water experiment | rising water science experiment | rising water experiment explanation

02:18:33

sound numericals class 9 | sound class 9 numericals | class 9 sound numericals | sound class 9 ncert

57:17

sound class 9 exercise answers | sound class 9 exercise questions and answers | sound class 9

23:32

sound class 9 intext questions | sound class 9 ncert intext questions | sound class 9 intext answers

06:02:00

work and energy class 9 numericals | class 9 work and energy numericals | work and energy numericals

01:08:18

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24:14

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01:05:11

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46:17

structure of atom class 9 intext questions | class 9 structure of atom intext questions and answers

01:06:21

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01:35

Plaster of Paris should be stored in a moisture-proof container. Explain why ?

01:15

Fresh milk has a pH of 6. How do you think the pH will change as it turns into curd ?

02:29

Why do acids not show acidic behaviour in the absence of water ?

01:31

Which one of the following types of medicines is used for treating indigestion ?

01:35

10 mL of a solution of NaOH is found to be completely neutralised by 8 mL of a given solution of HCl

01:16

A solution reacts with crushed egg-shells to give a gas that turns lime water milky.

00:45

A solution turns red litmus blue, its pH is likely to be

33:28

acid bases and salts class 10 exercise questions | acid bases and salts class 10 ncert solutions

01:00

Name the sodium compound which is used for softening hard water.

01:22

Name the substance which on treatment with chlorine yields bleaching powder.

01:13

Under what soil condition do you think a farmer would treat the soil of his fields with quicklime

01:29

Do basic solutions also have H+ (aq) ions ? If yes, then why are these basic ?

01:02

What effect does the concentration of H+ (aq) ions have on the nature of the solution ?

01:10

How is the concentration of hydroxide ions (OH–) affected when excess of base is dissolved

01:02

How is the concentration of hydronium ions (H3O+) affected when the solution of an acid is diluted?

33:30

acids bases and salts class 10 intext questions | class 10 acids bases and salts intext questions

01:15:31

electricity class 10 exercise solutions | class 10 electricity exercise solutions

46:59

electricity class 10 intext questions | class 10 electricity intext questions | electricity class 10

00:41

What determines the rate at which energy is delivered by a current ?

01:38

Use the data in Table on page 23 of this book to answer the following

01:39

Why are coils of electric toasters and electric irons made of an alloy rather than a pure metal ?

01:30

What can you say about the motion of an object if its speed-time graph is a straight line parallel

40:57

electricity class 10 examples | class 10 electricity examples | examples of electricity class 10

01:10:28

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18:52

the fundamental unit of life important questions | fundamental unit of life class 9 important topics

20:08

fundamental unit of life class 9 exercise solutions | fundamental unit of life class 9 exercise

25:20

fundamental unit of life class 9 intext questions | fundamental unit of life class 9 intext solution