Match the following : (1) Brass (i) Surgical instruments (2) Satellite (ii) Skin ointment (3) Lunar caustic (iii) Condenser tubes (4) Calamine (iv) Hair dye

(1)-(iii), (2)-(i), (3)-(iv), (4)-(ii)

(1)-(i), (2)-(iv), (3)-(iii), (4)-(ii)

(1)-(iv), (2)-(iii), (3)-(ii), (4)-(i)

(1)-(ii), (2)-(iv), (3)-(i), (4)-(iii)

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Bleaching powder is:

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Important Questions on Chemistry

MEDIUM

General Science>General Science>Chemistry>Chemistry in Everyday Life

Which one of the following statements is not correct?

MEDIUM

General Science>General Science>Chemistry>Chemistry in Everyday Life

Soap solution used for cleaning purpose appears cloudy. This is due to the fact that soap micelles can _____.

MEDIUM

General Science>General Science>Chemistry>Chemistry in Everyday Life

Which one of the following artificial sweeteners is modified sugar?

MEDIUM

General Science>General Science>Chemistry>Chemistry in Everyday Life

Match the following :

(1) Brass	(i) Surgical instruments
(2) Satellite	(ii) Skin ointment
(3) Lunar caustic	(iii) Condenser tubes
(4) Calamine	(iv) Hair dye

EASY

General Science>General Science>Chemistry>Chemistry in Everyday Life

Which of the following metals is found in free state in nature?

MEDIUM

General Science>General Science>Chemistry>Chemistry in Everyday Life

Which one of the following methods can be used to remove permanent hardness of water ?

MEDIUM

General Science>General Science>Chemistry>Chemistry in Everyday Life

Which one of the following sodium compounds is used for softening hard water ?

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General Science>General Science>Chemistry>Chemistry in Everyday Life

Which of the following is used for removing permanent hardness of water ?

MEDIUM

General Science>General Science>Chemistry>Chemistry in Everyday Life

Litmus paper changes to ______ colour when put in soap water.

HARD

General Science>General Science>Chemistry>Chemistry in Everyday Life

Which of the following is NOT a use of washing soda?

MEDIUM

General Science>General Science>Chemistry>Chemistry in Everyday Life

An antiseptic dettol is a mixture of two compounds '

A

' and '

B

' where

A

has

6 π

electrons and

B

has

2 π

electrons. What is

B

EASY

General Science>General Science>Chemistry>Chemistry in Everyday Life

How many water molecules are present in one molecule of washing soda?

MEDIUM

General Science>General Science>Chemistry>Chemistry in Everyday Life

Which of the following is NOT used to make toothpaste?

MEDIUM

General Science>General Science>Chemistry>Chemistry in Everyday Life

Which one of the following is used for water softening

MEDIUM

General Science>General Science>Chemistry>Chemistry in Everyday Life

Name the law in Physics which states that equal volume of all gases under the same conditions of temperature and pressure contain equal number of molecules.

EASY

General Science>General Science>Chemistry>Chemistry in Everyday Life

Fertilizers are used to obtain higher yields of crops. However, all nutrients are usually not available in fertilizers. Which one of the following nutrients is usually not available in fertilizers ?

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General Science>General Science>Chemistry>Chemistry in Everyday Life

Which one of the following types of glasses is used for making optical instruments?

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General Science>General Science>Chemistry>Chemistry in Everyday Life

Which of the following substances cause temporary hardness in water?

$1 . M g {(H C O_{3})}_{2}$

$2 . C a {(H C O_{3})}_{2}$

$3 . C a C l_{2}$

$4 . M g S O_{4}$

Select the correct answer using the code given below.

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