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Earn 100

Consider the following chemicals
1. Benzene
3. Sodium carbonate
2. Carbon tetrachloride
4. Trichloroethylene
Which of the above is/are used as dry cleaning chemical?

50% studentsanswered this correctly

Important Questions on Chemistry

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IMPORTANT
IAS (PRE) General Studies Paper 1>Chapter 12 - Chemistry>Exercise 1>Q 60

 

Consider the following statements
1. Caffeine, a constituent of tea and coffee is a diuretic.
2. Citric acid is used in soft drinks.
3. Ascorbic acid is essential for formation of bones and teeth.
4. Citric acid is a good substitution of ascorbic acid in our nutrition.

Which of the statements given above are correct?

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IAS (PRE) General Studies Paper 1>Chapter 12 - Chemistry>Exercise 1>Q 61

Assertion (A): Cellulose is used in making shatter proof glass.
Reason (R): Polysaccharides are not soluble in water.

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IAS (PRE) General Studies Paper 1>Chapter 12 - Chemistry>Exercise 1>Q 62
Which one of the following does not contain silver?
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IAS (PRE) General Studies Paper 1>Chapter 12 - Chemistry>Exercise 1>Q 63
Which one among the following is called philosopher’s wool?
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IAS (PRE) General Studies Paper 1>Chapter 12 - Chemistry>Exercise 1>Q 64
Which one of the following is another name of RDX?
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IAS (PRE) General Studies Paper 1>Chapter 12 - Chemistry>Exercise 1>Q 65
What is the pH level of blood of a normal person?
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IAS (PRE) General Studies Paper 1>Chapter 12 - Chemistry>Exercise 1>Q 66
What are rubies and sapphires chemically known as?
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IMPORTANT
IAS (PRE) General Studies Paper 1>Chapter 12 - Chemistry>Exercise 1>Q 67
Which one of the following is also called stranger gas?