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Chemistry

Chemistry
The enzyme that converts glucose to ethyl alcohol is :

Invertase
Maltase
Zymase
Diastase

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Chemistry
Neoprene is a polymer of

Isobutane
Isoprene
Isopentane
Chloroprene

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Chemistry
Which is not an anasthetic agent in surgical operations?

Nitrous oxide
Ether
Chloroform
Acetone

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Chemistry
Which of the following metals is used in Space Crafts to withstand high temperatures ?

Pb
Fe
Ti
Ni

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Chemistry
What happens when a chemical bond is formed ?

Energy is neither released nor absorbed
More energy is released than is absorbed
Energy is always absorbed
Energy in always released

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Chemistry
Which one of the following is also known as solution ?

A homogeneous mixture
A suspension
A compound
A heterogeneous mixture

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