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Which of the following gas is used in cigarette lighters ?

  • Butane
  • Propane
  • Methane
  • Ethane

Answer: Option A

Similar Questions :

1. Aspirin is

  • acetyl salicylic acid
  • sodium salicylate
  • methyl salicylate
  • ethyl salicylate

Answer: Option A

2. Oil of vitriol is

  • nitric acid
  • sulphuric acid
  • hydrochloric acid
  • phosphoric acid

Answer: Option B

3. Enzymes are

  • Fatty acids
  • Carbohydrates
  • Nucleic acids
  • Proteins

Answer: Option D

4. The most electronegative element among the following is

  • sodium
  • bromine
  • fluorine
  • oxygen

Answer: Option C

5. Permanent hardness of water is due to the presence of ?

  • Magnesium bicarbonate
  • Calcium bicarbonate
  • Sodium bicarbonate
  • Calcium sulphate

Answer: Option D

Read more from - Chemistry Questions Answers
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