Question # 1

Ethylene is present is natural gas sometimes to the extent of .

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10%

20%

30%

40%

When Bronsted and Lowry put forward acid base concept?

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1913

1923

1933

1943

Dehydrohalogenation take place in the presence of.

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Aqueous NaOH

Alcoholic KOH

Aqueous KOH

Alcoholic NaOH

Glucose and fructose are.

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Pentose

Triose

Hexoses

None of these

The energy provided by carbohydrates in per gram.

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17 KJ

21 KJ

35 KJ

10 KJ

Chalco-Pyrite is an ore of:

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Copper

Silver

Iron

Aluminium

Malic acid founds in:

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Apple

Fats

Rancid Butter

Oranges

Formation profess of Ammonia by the combination Hydrogen and Nitrogen was given by:

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Dalton

Thomson

Haber

Waage

Stearic acid present in

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Apple

Fats

Urine

Grapes

Tetra saccharides are classified under.

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Monosaccharides.

Oligosaccharides

Polysaccharides

All of them

Open chain compounds are also called:

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aliphatic compounds

alicyclic compounds

aromatic compounds

hydrocarbons

Which acid used for food preservation?

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H₂SO₄

HNO₃

HCl

CH₃COOH

Which diseases cause by the deficiency of vitamin E?

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Rickets

Anemia in babies

Scurvy

Night blindness

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