Chemistry Practice Question and Answer
8 Q: What type of chemical reaction is combustion of natural gas?
1176 05f6979af558d255013b234b3
5f6979af558d255013b234b3- 1combination reactionfalse
- 2decomposition reactionfalse
- 3exothermic reactiontrue
- 4dissolution reactionfalse
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Answer : 3. "exothermic reaction"
Q: Which of the following drugs is used to treat indigestion?
1173 05f697fd0397b1a52908c1074
5f697fd0397b1a52908c1074- 1Antacidtrue
- 2Antibioticfalse
- 3Analgesicfalse
- 4Antisepticfalse
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Answer : 1. "Antacid"
Q: Which of the following has the least melting point?
1169 1609e4d5d6397877f31964090
609e4d5d6397877f31964090- 1Carbonfalse
- 2Silverfalse
- 3Mercurytrue
- 4Goldfalse
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Answer : 3. "Mercury "
Q: Which of the following laws suggest a direct relationship between Temperature and Volume of a gas?
1169 05fe9ac31755fc73bd07965d6
5fe9ac31755fc73bd07965d6- 1Avogadro rulefalse
- 2Charles ruletrue
- 3Boyle rulefalse
- 4None of thesefalse
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Answer : 2. "Charles rule"
Q: Which one of the following substance is used in photography and also as an antichlor ?
1166 06245534c398e4a497b3e9570
6245534c398e4a497b3e9570- 1Chrome redfalse
- 2Sodium thisosulphatetrue
- 3Hydrogen peroxidefalse
- 4Calomelfalse
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Answer : 2. "Sodium thisosulphate "
Q: Hydrogen resembles the properties of which two groups of the periodic table?
1164 064a2b0fac7d7c7e0674a2640
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: Silver and copper heat?
1162 061275c9cdbe92e068b911a69
61275c9cdbe92e068b911a69- 1are the best driverstrue
- 2are less conductorsfalse
- 3are dielectricsfalse
- 4is the best conductorfalse
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Answer : 1. "are the best drivers"
Q: Is it an ore of zinc?
1158 06127594bdbe92e068b90f4f2
6127594bdbe92e068b90f4f2- 1Zinc Bladetrue
- 2Bauxitefalse
- 3sodium chloridefalse
- 4Sinawarfalse
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