Chemistry Practice Question and Answer
8 Q: Oxygenation is a chemical reaction in which
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5f7458b14637db732832e936- 1The electron is discarded.false
- 2Oxygen is a combination.false
- 3The ratio of the positive group increases.false
- 4All of the abovetrue
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Answer : 4. "All of the above"
Q: Which of the following process is used to do maximum work done on the ideal gas if the gas is compressed to half of its initial volume?
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63c920deb338bc336f0dd8d6- 1Isothermalfalse
- 2Isochoricfalse
- 3Isobaricfalse
- 4Adiabatictrue
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Answer : 4. "Adiabatic"
Q: Which non-metal is liquid at room temperature?
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6127640793f02206607ee962- 1mercuryfalse
- 2aluminumfalse
- 3Brominetrue
- 4Copperfalse
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Answer : 3. "Bromine"
Q: Nowadays yellow lamps are being used in abundance in street lights. Which of the following gas are used in these lamps?
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5f745b0ff66ef56de842ca1c- 1Sodiumtrue
- 2Neonfalse
- 3Hydrogenfalse
- 4Nitrogenfalse
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Answer : 1. "Sodium"
Q: What is the common name of CaoCl2?
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609e4cd76397877f31963e9f- 1Washing Sodafalse
- 2Bleaching Powdertrue
- 3Baking Powderfalse
- 4Baking Sodafalse
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Answer : 2. "Bleaching Powder "
Q: The helical structure of protein is stabilized by
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638de03d34f83f14728dfb2f- 1Depeptide bondsfalse
- 2Hydrogen bondstrue
- 3Ester bondsfalse
- 4Peptide bondsfalse
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Answer : 2. "Hydrogen bonds"
Q: Hydrogen resembles the properties of which two groups of the periodic table?
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64a2b0fac7d7c7e0674a2640- 1Group 2 and Group 17false
- 2Group 1 and Group 3false
- 3Group 1 and Group 17true
- 4Group 2 and Group 4false
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Answer : 3. "Group 1 and Group 17"
Explanation :
1. Hydrogen matches the properties of the first group and seventh group of the periodic table.
2. Following is some additional information about the properties of hydrogen.
- Hydrogen is a highly flammable gas.
-Hydrogen is a major component of water.
- Hydrogen can be used as fuel.
Hydrogen is used in the chemical industry to make many types of products.
Q: Which gas is known as 'noble gas' ?
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5ef2f5457c1ec61320b14d6b- 1Heliumtrue
- 2Carbon dioxidesfalse
- 3Hydrogenfalse
- 4Oxygenfalse
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