Practice Question and Answer
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Q: What do players use for instant power?
2052 0611b65ccdc4e2547a1c91cfa
611b65ccdc4e2547a1c91cfa- 1Sucrosetrue
- 2Vitamin Cfalse
- 3saltfalse
- 4Milkfalse
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Answer : 1. "Sucrose"
Q: Which gas is used for unnatural ripening of fruits?
1471 0611b65926d0fd147810fb7a5
611b65926d0fd147810fb7a5- 1Ethylenetrue
- 2ethanefalse
- 3carbon dioxidefalse
- 4Acetylenefalse
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Answer : 1. "Ethylene"
Q: Hypo which is used in photography, chemically called?
1991 0611b654e6d0fd147810fb790
611b654e6d0fd147810fb790- 1Silver Bromidefalse
- 2sodium thio sulfatetrue
- 3sodium phosphatefalse
- 4sodium nitratefalse
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Answer : 2. "sodium thio sulfate"
Q: What is the smallest unit of a chemical compound?
3709 1611b650edc4e2547a1c91c34
611b650edc4e2547a1c91c34- 1Atomicfalse
- 2electronfalse
- 3Protonfalse
- 4Moleculestrue
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Answer : 4. "Molecules"
Q: Gun powder is a mixture of?
1614 0611b64b76d0fd147810fb65f
611b64b76d0fd147810fb65f- 1soil and TNTfalse
- 2sulphur, clay and charcoalfalse
- 3saltpeter, sulfur and charcoaltrue
- 4TNT and charcoalfalse
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Answer : 3. "saltpeter, sulfur and charcoal"
Q: Which substance is added to make natural rubber hard and bouncy?
1491 0611b6423dc4e2547a1c91bd7
611b6423dc4e2547a1c91bd7- 1Petrol Jellyfalse
- 2sulfuric acidfalse
- 3sulfurtrue
- 4Spongefalse
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Answer : 3. "sulfur"
Q: Which of the following is essentially produced in the fermentation process?
1441 0611b63e16d0fd147810fb343
611b63e16d0fd147810fb343- 1ethyl alcoholtrue
- 2Methyl alcoholfalse
- 3acetic acidfalse
- 4yeastfalse
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Answer : 1. "ethyl alcohol"
Q: The marshy gas which is produced on decomposition of organic matter and is mostly found in coal mines, is the name of that gas?
1381 0611b6363ccbc2b477b6dc0d8
611b6363ccbc2b477b6dc0d8- 1ethanefalse
- 2Methanetrue
- 3carbon dioxidefalse
- 4carbon monoxidefalse
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Answer : 2. "Methane"
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