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Question 1
Which is the time required for a quantity to reduce to half its initial value ?
Question 2
Natural rubber is the polymer of:
Question 3
Compound having tetrahedral structure is _____.
Question 4
The best standard of Atomic mass is-
Question 5
Atleast how much chromium is added to steel to prevent it from rust ?
Question 6
In electro-refining, the pure metal is deposited on _________.
Question 7
The effect or response produced by two or more chemicals are less than the sum of the effects or response that the chemical would produce individually is known as
Question 8
The metals commonly used for electroplating are_______.
Question 9
A polymer which is used for making ropes and carpet fibres is _________.
Question 10
The abnormal constituent of urine is
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Mar 11SSC & Railway