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Chemistry

Chemistry
Sodium Carbonate is commonly known as

Caustic Soda
Caustic Potash
Baking Soda
Washing Soda

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Chemistry
Which of the following appeared to be with a significant potential for accumulation through food chains ?

DDT
Parathion
Carbary
Lindane

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Chemistry
Pollutant from motor car exhaust that causes mental disease is

Lead
NO2
SO2
Hg

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Chemistry
Carbon footprint can be reduced by

All of these
Recycling waste materials
Using energy efficient appliances
Commuting by public transport

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Chemistry
The first metal used by a man was

Copper
Silver
Bronze
Brass

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Chemistry
How many neutrons does iron have

26
30
13
8

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MORE MCQ ON Chemistry

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