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Chemistry

Chemistry
The enzyme that converts glucose to ethyl alcohol is :

Maltase
Invertase
Zymase
Diastase

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Chemistry
A powerful eye irritant present in smog is

Sulphur dioxide
Nitric oxide
Peroxyacetyl nitrate
Carbon dioxide

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Chemistry
Which one of the following minerals is found in Monazite sand ?

Thorium
Uranium
Sodium
Potassium

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Chemistry
The acid present in red ants is

Caproic acid
Butyric acid
Acetic acid
Formic acid

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Chemistry
Atoms of same element having different mass numbers are called________

Isobars
Isotones
Isomers
Isotopes

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Chemistry
Substance used as an anti freeze in radiators of automobiles is :

Ethyl alcohol and H2O
Ethyl alcohol
Methyl alcohol and H2O
Methyl alcohol

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