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Question 1 of 5
1. Question
2 pointsThe Radioactive pollution may result from:
- Medical waste
- Coal ash
- Production of nuclear arsenal
- Mining of Uranium
- Decommissioning of nuclear weapons
Correct code is:
Correct
ANSWER: B
Incorrect
ANSWER: B
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Question 2 of 5
2. Question
2 points‘Hydrogen economy’ refers to:
- A catalytic process that convert non-food biomass into extremely pure
hydrogen.
- Procedure that provide material for use in fuel cells.
- Providing material useful in producing clean energy.
- Production of hydrogen gas in a cheaper way.
The correct statements are:
Correct
ANSWER: B
Incorrect
ANSWER: B
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Question 3 of 5
3. Question
2 pointsA body weighs slightly more at the poles than at the equator because:
Correct
ANSWER: D
Explanation: The weight of a body depends on the force with which it is attracted
towards the centre of the Earth. But this force is greater at the pole on account of
less distance from the centre of the Earth. Due to this, the body weighs more at the
poles than at the equator.
Incorrect
ANSWER: D
Explanation: The weight of a body depends on the force with which it is attracted
towards the centre of the Earth. But this force is greater at the pole on account of
less distance from the centre of the Earth. Due to this, the body weighs more at the
poles than at the equator.
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Question 4 of 5
4. Question
2 pointsConsider the following Metals:
- Platinum
- Gold
- Copper
- Lead
Their correct arrangement in the increasing order of density is:
Correct
ANSWER: A
Incorrect
ANSWER: A
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Question 5 of 5
5. Question
2 pointsArtificial satellite are used for
- TV transmission
- Detecting minerals
- Space research
Which of the above is/are correct?
Correct
ANSWER: D
Incorrect
ANSWER: D
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