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Question 1
Amalgam is an alloy in which the base metal is
Question 2
The purest form of iron is ______.
Question 3
The best standard of Atomic mass is-
Question 4
Silver gets corroded due to _________ in air.
Question 5
What among following is used to produce artificial rain?
Question 6
Which type of fire extinguisher is used for petroleum fire?
Question 7
What is the chemical name of vinegar?
Question 8
When hydrogen starts burning in air. It produces ?
Question 9
What is the chemical name of bleaching powder?
Question 10
The metal used for making aircrafts and rockets is
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Jan 30SSC & Railway
