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RRB JE Mechanical 2014
67

RRB JE Mechanical Question Paper 2014 (Set-1) with Answer Key

67) The state in which molecular attractions are very strong is

Solid

Liquid

Gas

Vapour

Answer is:

Solid

RRB JE Mechanical Question Paper 2014 (Set-1) with Answer Key

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Related RRB JE Mechanical Question Paper 2014 (Set-1) with Answer Key

68) Which of the following acids is present in sour milk?

Glycolic Acid

Lactic Acid

Citrus Acid

Tartaric Acid

Answer is:

Lactic Acid

69) The atomic number of an element is determined by

the number of electrons in one atom

the number of neutrons in one atom

the valency of the element

the number of protons in one atom

Answer is:

the number of protons in one atom

70) Elements belonging to the same group have similar chemical properties because

they are all metallic elements

they have similar electronic configuration

atomic number increases on moving down the group

None of these

Answer is:

they have similar electronic configuration

71) Which of the following alloys contains Tin?

Brass

Solder

Duralumin

Steel

Answer is:

Solder

RRB JE Mechanical Question Paper 2014 (Set-1) with Answer Key

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