Q:

The chemical formula of Sodium Carbonate is

A) Na3CO2	B) Na2CO
C) NaCO3	D) Na2CO3

Answer & Explanation Answer: D) Na2CO3

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Q:

‘Plum Pudding Model’ for an atom was proposed by

A) Antoine Lavoisier	B) Robert Boyle
C) Ernest Rutherford	D) J. J. Thomson

Answer & Explanation Answer: D) J. J. Thomson

Explanation:

The first model of atom was proposed by J. J. Thomson in 1898.According to this model, the positive charge of the atom is uniformly distributed throughout the volume of the atom and the negatively charged electrons are embedded in it like seeds in a watermelon. This model was picturesquely called plum pudding model of the atom

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Q:

The reaction of Copper Sulphate and Iron produces Iron Sulphate and __________.

A) Vinegar	B) Ash
C) Baking Soda	D) Copper

Answer & Explanation Answer: D) Copper

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Q:

National Income of India is compiled by

A) Finance Commission	B) Indian Statistical Institute
C) National Development Council	D) Central Statistical Organization

Answer & Explanation Answer: D) Central Statistical Organization

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Q:

Spiders belong to which class of animals?

A) Arachnids	B) Aves
C) Gastropods	D) Anthozoa

Answer & Explanation Answer: A) Arachnids

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Q:

Absolute Zero is defined as

A) The temperature at which all molecular motion ceases	B) At which water boils at 298K
C) At which liquid Helium boils	D) At which the volume becomes zero

Answer & Explanation Answer: A) The temperature at which all molecular motion ceases

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Q:

Which country forms the longest international border with India in the far east?

A) China	B) Myanmar
C) Thailand	D) Vietnam

Answer & Explanation Answer: B) Myanmar

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Q:

Which country has the smallest terrestrial border with India?

A) Pakistan	B) Nepal
C) Myanmar	D) Bhutan

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