2019 UPPCS Previous Year Questions – GS Paper I

2019ScienceGS Paper I

A sample of any of the following substances disappears after sometime when exposed to air like camphor, naphthalene or dry ice. This phenomenon is called

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2019ScienceGS Paper I

Arrange the following substances in chronological order of their first synthesis in lab:

1. Black gold

2. Fullerene

3. Graphene

4. Kevlar

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2019ScienceGS Paper I

A liquid remains hot or cold for a long time in thermos flask because there is no loss or gain of heat by

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2019ScienceGS Paper I

Which of the following is NOT correctly matched?

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2019ScienceGS Paper I

Which of the following is an example of herbicide ?

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