Question # 1

Which element reacts with carbon to form metal carbide.

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Li

Na

K

All of these

Which one is fatty acid

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Benzoic acid

Malonic acid

Phtalic acid

Palmitic acid

Which of these polymers is an addition polymer

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Nylon 6, 6

polystyrene

Terylene

epoxy resin

Which has greater hydration energy.

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Li+

Na+

K+

Mg+2

Which is not used of Borax

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Softening of water

As medicine for washing eyes

As flux in metallurgical operations

To make quartz

Which ether is symmetrical in nature.

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Methyl ethyl ether

Diphenyl ether

Methyl n propyl other

Methoxy benzene

What is clinker

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Roasted calcareous material

Roasted argillaceous material

Roasted calcareous and argillaceous material

Roasted gyposum

Which substance is used for denaturing of ethanol

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Methanol

Acetone

Pyridine

All

The chemical formula of Sodium Bromite is.

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NaBrO

NaBrO2

NaBrO3

NaBrO4

Setting process of cement is based upon

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Hydrolysis

Hydration

Dehydration

Botha a and b

Which elements are needed for healthy growth of plants

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N,S,P

N,Ca,P

N,P,K

N,K,C

Ethanol on oxidation in the presence of K2Cr2O7 and Conc. H2SO4 changes to.

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Acetaldehyde

Ethane

Ethene

CO2 and H2O

Which one of the following elements burns in air to form an oxide which, when shaken with water, give a solution with a pH greater than 7.

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Carbon

Magnesium

sulphur

Hydrogen

Thickness of atmosphere is about how much kilometer above the surface of warth

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100 km

1000 km

10,000 km

unlimited

In Down's cell anode is made up of.

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Iron

Copper

Graphite

Platinum

Phenol on heating with concentrated nitric acid forms

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o-nitrophenol

T.N.T

Na2CO3

Cyclohexanol

Which one of the following gases is used welding purpose usualy.

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Methane

Ethane

Ethene

Acetylene

Fats are

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Saturated glycerides

Unsaturated glycerides

Polyhydroxy ketose

Polyhydroxy aldose

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