Question # 1

Ethanol can be converted into ethanoic acid by

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Hydrogenation

Hydration

Oxidation

Fermentation

Which three elements are needed for the healthy growth of plants.

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N,S,P

N, Ca, P

N,P,K

N,K,C

The reaction between fat and NaOH is

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Estrification

Hydrogenolysis

Fermentation

Saponification

Which is not an ore of iron

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haematite

Magnetite

limonite

Cassiterite

Systematic name of phthalic acid is

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Benzenedicarboxylic acid

Benzene doioc acid

1,2 benzenedicarboxylic acid

o, carboxylic benzoic acid

The pH range of the acid rain is

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7-6-5

6.6-6

6-5.6

less than 5

Which process of pulp making is mostly used in Pakistan.

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Kraft process

Sulphite process

Neutral sulphite semi chemical process

Wet process

Which one of the following is co polymer

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PVC

Polyvinyl acetate

Nylon -6,6

Polyethene

Woody raw material for paper pulp is obtained from

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Cotton

Bagasse

Poplar

Rice straw

The flavour of amylacetate is

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Orange

Apricot

Banana

Pineapple

Aldehydes and ketones can be defected by

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2, 4 DNPH test

Tollen's test

Sodium Nitro prusside test

Benedicts solution test

Half mass of atmosphere gases is present in.

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5-6 km distance above the surface of earth

10 km above the surface

100 km above the surface

56 km above the surface

The solution of which acid is used for seasoning of food

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Benzoic acid

Butanoic acid

Formic acid

Acetic acid

Nylon 6,6 is obtained by the reaction of hexamethylene diamine with

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Acetic acid

Adipic acid

Viny chloride

Acetyl chloride

Ranney nickel is prepared by reacting dilute NaOH solution with.

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Nickel

Brass

Nickel and aluminum alloy

Nickel oxide

When benzaldehyde is converted to benzyl alcohol by reading with NaOH the reaction is known as.

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Cannizzaro reaction

Wurtz reaction

Wol;ficisthner reaction

Aldol reaction

An element has oxidation state -2, +4, +6 in its compounds. In which group in the periodic table is this element likely to be.

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Grooup III A

Group IV A

Group V A

Group VI A

Formula of chloroform is

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CH₃Cl

CCl₄

CH₂Cl₂

CHCl₃

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