Chemistry-
General
Easy
Question
The wrong statement regarding rare gases is..
- Argon is the most abundant noble gas in atmosphere.
- They are more abundant in atmosphere.
- Helium is first discovered in sun’s chromosphere.
- All of them are gases.
The correct answer is: They are more abundant in atmosphere.
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During photosynthesis plants absorb carbon dioxide and ...................
During photosynthesis plants absorb carbon dioxide and ...................
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Which of the following is/ are uses of nitrogen?
Which of the following is/ are uses of nitrogen?
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Amount of water vapour in air is more in .......
Amount of water vapour in air is more in .......
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The major constituent of air is ................
The major constituent of air is ................
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Kerosene and water can be separated by....
Kerosene and water can be separated by....
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The solubility of gas in liquid .... with increase in temperature.
The solubility of gas in liquid .... with increase in temperature.
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Which method is suitable for the separation of immiscible liquids?
Which method is suitable for the separation of immiscible liquids?
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The process of separation of insoluble solids from its suspension is called...
The process of separation of insoluble solids from its suspension is called...
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In filtration method the solid we use is ...
In filtration method the solid we use is ...
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Stones can be separated from rice by:
Stones can be separated from rice by:
Chemistry-General
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Statement (A) : Chemical composition remains same in physical change.
Statement (B) : Chemical composition changes in chemical change.
Statement (A) : Chemical composition remains same in physical change.
Statement (B) : Chemical composition changes in chemical change.
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Statement (A) : Burning of LPG is an example of chemical change. Statement (B) : Clotting of blood is an example of chemical change.
Statement (A) : Burning of LPG is an example of chemical change. Statement (B) : Clotting of blood is an example of chemical change.
Chemistry-General
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Which of the following is an example of chemical change?
Which of the following is an example of chemical change?
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Which of the following is a chemical change?
Which of the following is a chemical change?
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Maths-
Number of solutions to equation ;if is
Number of solutions to equation ;if is
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