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Chemistry

Chemistry
Which among the following is used as a catalyst in the production of high octane fuels?

HNO3
HCl
HF
H2SO4

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Chemistry
‘Aerosol’ is known as

Pollutant gas, present in air
Suspended solid particles in air
Microbes, present in air
Green house gas present in air

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Chemistry
The most commonly used chemicals in the artificial rainmaking or cloud seeding are

All of these
Sodium Chloride (NaCl)
Silver Iodide (Ag I)
Dry Ice (Frozen CO2)

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Chemistry
Which of the following is a metallic ore ?

Feldspar
Galena
Mica
Quartz

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Chemistry
Number of hydrogen atoms in a Glucose molecule

14
6
12
8

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Chemistry
Sour taste of ‘Coca Cola’ is due to the presence of

Hydrochloric acid
Phosphoric acid
Acetic acid
Formic acid

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