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Chemistry

Chemistry
Detergents used for cleaning clothes and utensils contain

Sulphonates
Bicarbonates
Nitrates
Bismuthates

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Chemistry
The oil used in the froth floatation process is

kerosene oil
coconut oil
pine oil
olive oil

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Chemistry
The first metal used by a man was

Silver
Copper
Brass
Bronze

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Chemistry
Which of the following caused radioactive pollution along the coast of Kerala ?

Radium
Plutonium
Thorium
Zinc

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Chemistry
Choose the incorrect statement pertaining to organic compounds

They do not dissolve in water
They contain mainly carbon and hydrogen
They are not easily combustible
They have low melting and boiling points

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Chemistry
The National Chemical Laboratory is situated in

Patna
Bangalore
New Delhi
Pune

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