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Question 1
Burning pyrites ore gives out
Question 2
German silver is an alloy of_______?
Question 3
Which one of the following best defines the word “allotropes”?
Question 4
Poison used for killing rats is______.
Question 5
Nuclear fallout contains
Question 6
KMnO4 can be used as a/an
Question 7
The important metal used with iron to produce stainless steel is
Question 8
Ultra purification of a metal is done by
Question 9
Muddy water is treated with alum in purification process, it is termed as
Question 10
The red, orange and yellow colours of leaf is due to:
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Nov 28SSC & Railway
