EASY
UPSC CDS
IMPORTANT
Earn 100

Air is regarded as a mixture because_____.

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Questions featured in Previous Year Papers on Chemistry

MEDIUM
UPSC CDS
IMPORTANT
Science Express>Chapter -1 - Chemistry>Exercise 1>Q 105
Which of the following is also used as a lubricant?
EASY
UPSC CDS
IMPORTANT
Science Express>Chapter -1 - Chemistry>Exercise 1>Q 133
Find out the true statement:
EASY
UPSC CDS
IMPORTANT
Science Express>Chapter -1 - Chemistry>Exercise 1>Q 9
The process of separation of pure water from impurities by selective boiling is called_____.
EASY
UPSC CDS
IMPORTANT
Science Express>Chapter -1 - Chemistry>Exercise 1>Q 22
How many water molecules are present in one molecule of washing soda?
EASY
UPSC CDS
IMPORTANT
Science Express>Chapter -1 - Chemistry>Exercise 1>Q 131
The most tensile element among the following is_____:
 
HARD
UPSC CDS
IMPORTANT
Science Express>Chapter -1 - Chemistry>Exercise 1>Q 114
Which of the following statement(s) is/are CORRECT?
I. Carbon compounds linked by the only single bond are called saturated compounds.
II. Carbon Compounds having double or triple bonds are called unsaturated compounds.
III. Saturated carbon compounds are more reactive than unsaturated carbon compounds.
EASY
UPSC CDS
IMPORTANT
Science Express>Chapter -1 - Chemistry>Exercise 1>Q 134

Catalyst is a substance that_____:

EASY
UPSC CDS
IMPORTANT
Science Express>Chapter -1 - Chemistry>Exercise 1>Q 137
Sodium hydroxide reacts with _____ to form a solution of table salt: