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Chemistry

Chemistry
The gas used for artificial fruit ripening of green fruit is

Methane
Ethylene
Ethane
Acetylene

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Chemistry
Malathion is a/an

Fumigant
Insecticide
Preservative
Pesticide

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Chemistry
The next higher homologue of C6H14 is

C7H16
C7H14
C7H12
C6H12

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Chemistry
The heat energy produced when the human body metabolises 1 gram of fat is

30 KJ
39 KJ
29 KJ
1 KJ

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Chemistry
Stainless steel is usually made by alloying the steel with

Copper and nickel
Chromium and nickel
Copper and chromium
Manganese and copper

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Chemistry
Helium gas is filled in ballons because

It is a noble gas
It is lighter than air
Its atomic number is 2
It is one of the constitutents of water

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