Chemistry Questions Practice Question and Answer
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Q: What is the mass number of an element, the atom of which contains two Protons, two neutrons and two electrons?
1379 05ee35e7455d51a0f6482cd3c
5ee35e7455d51a0f6482cd3c- 12false
- 24true
- 36false
- 48false
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Answer : 2. "4 "
Q: The maximum number of electrons that can be accommodated in M shell is:
1336 05ef58bbe196e681f76d9c38c
5ef58bbe196e681f76d9c38c- 18false
- 232false
- 318true
- 42false
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Answer : 3. "18"
Q: Potassium nitrate is used in
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5f6c2e19ec13dd7480faf0f8- 1medicinefalse
- 2saltfalse
- 3glassfalse
- 4fertilisertrue
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Answer : 4. "fertiliser"
Q: Water gas is the mixture of
1232 05ed8add854f88e519fa1b8c9
5ed8add854f88e519fa1b8c9- 1carbon dioxide and hydrogenfalse
- 2carbon monoxide and hydrogentrue
- 3carbon dioxide and nitrogenfalse
- 4carbon monoxide and nitrogen bearfalse
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Answer : 2. "carbon monoxide and hydrogen "
Q: Atomic number of which of the following elements is greater than that of Copper?
1220 06113d25688e0566940a80fd8
6113d25688e0566940a80fd8- 1Zinctrue
- 2Manganesefalse
- 3Ironfalse
- 4Chromiumfalse
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Answer : 1. "Zinc"
Q: Gasohol is –
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5ef2efc081a47f2e7aebe259- 1Any gas dissolved in alcoholfalse
- 2Ethyl alcohol + Kerosene oilfalse
- 3Ethyl alcohol + Petroltrue
- 4Natural Gas + Ethyl alcoholfalse
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Answer : 3. "Ethyl alcohol + Petrol "
Q: The air is the example of:
1213 05ee0d53b1541492ae598124e
5ee0d53b1541492ae598124e- 1The solution of solid in the gasfalse
- 2The solution of gas in the gastrue
- 3The solution of liquid in the gasfalse
- 4The solution of liquid in the solidfalse
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Answer : 2. "The solution of gas in the gas"
Q: If the pH value of a substance is lower than 7, it would be considered as–
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5ee85e95109b5d6e015e3b7b- 1Neutralfalse
- 2Basefalse
- 3Acidtrue
- 4Ionfalse
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