Chemistry - Section 1 (8)

Directions to Solve

Chemistry - Section 1

57.

The heat energy produced when the human body metabolises 1 gram of fat is

A.	30 KJ
B.	1 KJ
C.	39 KJ
D.	29 KJ

Answer: Option C

Explanation:

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58.

The inherited traits of an organism are controlled by

A.	RNA molecules
B.	nucleotides
C.	DNA molecules
D.	enzymes

Answer: Option C

Explanation:

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59.

The ore which is found in abundance in India is

A.	monazite
B.	fluorspar
C.	bauxite
D.	magnetite

Answer: Option A

Explanation:

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60.

The Latin word formica means ant. The name formic acid is derived from this Latin word because

A.	this acid, in ancient times, was used to eliminate ant-hills
B.	this corrosive acid is secreted by ants to drive away their enemies
C.	this acid was first obtained by the distillation of ants
D.	ants are attracted by the odour of this acid

Answer: Option C

Explanation:

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61.

The most abundant rare gas in the atmosphere is

A.	He
B.	Ne
C.	Ar
D.	Xe

Answer: Option C

Explanation:

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62.

The metal that is used as a catalyst in the hydrogenation of oils is

A.	Ni
B.	Pb
C.	Cu
D.	Pt

Answer: Option A

Explanation:

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63.

The octane number of zero is assigned to

A.	2-methyl octane
B.	n-heptane
C.	iso-octane
D.	3-methyl octane

Answer: Option B

Explanation:

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64.

The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is

A.	2.05 gram
B.	3.05 gram
C.	4.05 gram
D.	5.05 gram

Answer: Option B

Explanation:

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