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RRB JE 2019 | Day 60 | Chemistry Quiz 14

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Question 1

An element of atomic no. 29 belongs to

Question 2

Uranium eventually decays into a stable isotope of

Question 3

Fat coal means a coal having __________ .

Question 4

Sea water can be purified by the process of

Question 5

The difference between isotopes of an element is due to the presence of a different number
Of:

Question 6

What are the main components of Brass Alloy?

Question 7

The latent heat of fusion of which substance is the highest?

Question 8

The Chemical formula of Ammonium nitrate is _________.

Question 9

Permanent hardness of water may be removed by addition of________.

Question 10

Crude oil is sometimes termed sweet because it is:
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Dec 9ESE & GATE EC