Question # 1

When glucose and fructose combine they produce

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Starch

Cellulose

Sucrose

None of these

Cholera is caused by

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Protozoa

Virus

Bacteria

Fungi

Night blindness is because of deficiency of:

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Vitamin A

Protein

Vitamin C

Vitamin D

The end product of oxidation of acetylene is.

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Propen glycol

Ethan glycol

Glyoxal

Oxalic acid

Oils and fats are esters of large chain fatty acids with.

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Glycogen

Glucose

Starch

Glycerol

The plant use

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Carbon di oxide

Oxygen

Nitrogen

Sulphur

Traces of acetylene are present to coal gas about.

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0.06 %

0.08%

1.1 %

90%

The strong heating of coal in the absence of air called.

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Fractional Distilation

Destructive Distiation

Carbonization

Catenation

Methyl orange produces which colour in basic solution

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Red

Yellow

Pink

White

Concentration of the copper ore is carried out by:

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Calcinations

Roasting

Forth flotation

Distillation

The reaction goes from left to right , if:

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Qc = Kc

Qc > kc

Qc<Kc

Qc = 0

Lactic acid founds in:

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Citrus fruits

Sour milk

Rancid Butter

Apple

Which is a Lewis base?

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H⁺

NH₄

BF₃

AlCl₃

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