हिंदीहिंदी Teaching Exams State Level Railways SSC Computer Skill English Speaking/Writing

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Question1) In an object is not moving, no forces are acting upon it.

Option- ['True', 'False']

Answer: False

Explaination: F

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Question2) If an object is moving, a net force must be acting upon it

Option- ['True', 'False']

Answer: False

Explaination: F

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Question3) F=ma and a=F/m are both mathematical representations of Newton's 2nd Law

Option- ['True', 'False']

Answer: False

Explaination: F

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Question4) The properties of solids can be explained by the structure of and the bonding among the metal atoms

Option- ['True', 'False']

Answer: True

Explaination: T

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Question5) Orderly crystal shapes, high melting points, and electrical conductivity when dissolved in water are properties of ionic compounds.

Option- ['True', 'False']

Answer: True

Explaination: T

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Question6) When electrons are transferred between two atoms, a covalent bond is formed

Option- ['True', 'False']

Answer: True

Explaination: T

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Question7) A low melting point is one property of molecular compunds

Option- ['True', 'False']

Answer: True

Explaination: T

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Question8) A nonpolar bond is formed when two atoms share electrons unequally.

Option- ['True', 'False']

Answer: False

Explaination: F

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Question9) Physical changes occur when existing bonds break and new bonds form

Option- ['True', 'False']

Answer: False

Explaination: F

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Question10) The amount of matter in a chemical reaction changes

Option- ['True', 'False']

Answer: False

Explaination: F

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