Question # 1

Potassium ferrocyanide salt is.

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Normal

complex

Basic

Acidic

Hydrogenation of alkenes and alkynes takes place at room temperature in the presence of.

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Ni

Pt

Pd

Both a and b

Which of the following can be used as a fuel?

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Methanol

Ethanol

Bio-diesel

All of them

Which one of the following are amorphous solids?

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Monosacchrides

Oligosaccharides

Polysaccharides

All of them

Some orchids attracts bees for pollination by producing.

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alkanes

almenes

alkynes

all the above.

When NaHCO₃ is heated it forms.

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CO₂

Ca(OH)₂

CaCO₃

CaO

The branch of chemistry which deals with the study of hydrocarbons and their derivatives is known as.

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Organic chemistry

Inorganic chemistry

Biochemistry

Nuclear chemistry

The formula which represents the actual number of atoms in one molecule of organic compound is called.

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Molecular formula

Structural formula

Condensed formula

Dot and cross formula

The number of carbon atoms present in petroleum ether.

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1-5

2-5

3-7

5-7

Dehydration means removal of.

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Water

Halogen

Hydrogen

All above.

Which one of the following is gas at room temperature:

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C2H6

C6H14

C6H6

C8H18

Normal rain water is:

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weakly acidic

strongly acidic

weakly basic

strongly basic

Dehydrohalogenation take place in the presence of.

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Aqueous NaOH

Alcoholic KOH

Aqueous KOH

Alcoholic NaOH

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