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Friday, 22 May 2026
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Chemistry Past Questions and Answers

Chemistry Questions

Question 711:
Copper (II) tetraoxosulphate (IV) is widely used as a?
  • A Fertilizer
  • B Fungicide
  • C Disinfectant
  • D Purifier
View Answer & Explanation
Question 712:
Which of the following compounds can exist as geometric isomers?
  • A 2-methylbut-2ene
  • B But-2-ene
  • C But-1-ene
  • D CI-C-Br
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Question 713:
How many grams of bromine will be required to completely react with 10 g of propyne?<br/>(C = 12, H = 1, Br = 80)
  • A 20 g
  • B 40 g
  • C 60 g
  • D 80 g
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Question 714:
Ethene when passed into concentrated H<sub style='font-size: smaller;'>2</sub>SO<sub style='font-size: smaller;'>4</sub> is rapidly absorbed. The product is diluted with water and then warmed to produce?
  • A Ethanol
  • B Diethyl ether
  • C Ethanal
  • D Diethyl sulphate
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Question 715:
One advantages of detergents over soap is that detergents?
  • A Are easier to maufacture
  • B Foam more than soap
  • C Form soluble salts with hard water
  • D Are able to deter germs more than soap
View Answer & Explanation