EASY
SSC
IMPORTANT
Earn 100

Which are the materials generally employed as solder in soldering operations in electronics?

50% studentsanswered this correctly

Important Questions on Chemistry

EASY
SSC
IMPORTANT
IAS (PRE) General Studies Paper 1>Chapter 12 - Chemistry>Exercise 1>Q 59
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?
EASY
SSC
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?

EASY
SSC
IMPORTANT
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.

Codes:

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