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NAT I Engineering Chemistry MCQs With Answers
Question # 1
Which of the following is an example of body centred cube?
Choose an answer
Magnesium
Zinc
Copper
Sodium
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Question # 2
Which has maximum protein content?
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Ground nut
Cow milk
Egg
Wheat
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Question # 3
The movement of solvent molecules through a semipermeable membrane is called
Choose an answer
Electrolysis
Electrophoresis
Osmosis
Cataphoresis
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Question # 4
Dehydration of glycerol give
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Propane
Propene
Acrolein
Benzene
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Question # 5
Bragg's law is given by equation
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n λ = 2 θ sin θ
n λ = 2 d sin θ
2nλ = d sin θ
nλ = 1/2 d sin θ
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Question # 6
Which of the following is a colligative property?
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Melting point
Osmotic pressure
Freezing point
Sublimation temperature
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Question # 7
Which of the following is different from the other three oxides?
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MgO
SnO
ZnO
Cr
2
O
3
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Question # 8
The equilibrium constant in a reversible chemical reaction at a given temperature
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Depends on the initial concentration of the reactants
Depends on the concentration of one of the products at equilibrium
Does not depend on the initial concentrations of recatants
Is not characteristic of the reaction
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Question # 9
A zero order reaction is one whose rate is independent of
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Temperature of the reaction
The concentration of the reactants
The concentration of the products
The material of the vessel in which the reaction is carried out
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Question # 10
Variable valency is generally exhibited by
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Normal elements
Transition elements
Metallic elements
None of these
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Question # 11
SO
2
and NO
2
pollution by increasing
Choose an answer
Alkalinity
Acidity
Neutrality
Buffer action
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