Questions

Q:

CuO + H2 ---> Cu + H2O. This equation is an example of

A) Oxidation B) Decomposition
C) Reduction D) Redox
 
Answer & Explanation Answer: D) Redox

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Q:

How many groups and periods are present in the Modern Periodic Table?

A) 9 groups, 9 periods B) 7 groups, 8 periods
C) 18 groups, 7 periods D) 8 groups, 7 periods
 
Answer & Explanation Answer: C) 18 groups, 7 periods

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Q:

According to an early Indian philosopher everything is made up of ___ basic elements.

A) 2 B) 4
C) 3 D) 5
 
Answer & Explanation Answer: D) 5

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Q:

Which of the following is the largest mammal?

A) Whale B) Rhinoceros
C) Elephant D) Human
 
Answer & Explanation Answer: A) Whale

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Q:

In 1981, ISRO launched India's first geostationary satellite called -

A) Aryabhata B) APPLE
C) Bhaskara II D) INSAT 1B
 
Answer & Explanation Answer: B) APPLE

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Q:

Which out of the following is not a launch vehicle of India for placing satellites in the orbit?

A) PSLV B) GSAT - 8
C) GSLV D) Ariane SGS
 
Answer & Explanation Answer: B) GSAT - 8

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Q:

President of India can be removed from his office by

A) Prime Minister of India B) Chief Justice of India
C) Parliament D) Lok Sabha
 
Answer & Explanation Answer: C) Parliament

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Q:

In a food chain, what is the difference between primary consumers and secondary consumers?

A) Primary consumers eat plants and other consumers, secondary consumers eat plants and decomposed matter B) Primary consumers eat only plants, secondary consumers eat primary consumers
C) Primary consumers eat plants and decomposed matter, secondary consumers eat plants and other consumers D) Primary consumers eat other consumers, secondary consumers eat only plants
 
Answer & Explanation Answer: B) Primary consumers eat only plants, secondary consumers eat primary consumers

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