Similar questions related to ‘chemical formula’ are being asked in Group D exam, read now

Chemistry Chemical Formulas Based MCQ for RRB Group D Exam : Indian Railway Recruitment Board will conduct the first phase examination of Railway Group D from August 17 to August 25 and the second phase examination will run from August 26 to September 8. If you also want to do government job in railway and are going to appear in this exam.

So we are sharing here with you in this article multiple choice questions based on ‘Chemical Formula’, which are going to be very useful for you in the exam. Through these questions, candidates can confirm their one to two marks in the examination.

Chemistry Chemical Formulas Based MCQ for RRB Group D Exam
Chemistry Chemical Formulas Based MCQ for RRB Group D Exam

chemistry questions for railway group d exam

Question. The process involved in the industrial production of vegetable ghee is?

  • Separation
  • reduction
  • oxidation
  • ionization

Answer: 2

Question. Reason for browning of paper in old books

  • frequent use
  • lack of aeration
  • dust collection
  • oxidation of cellulose

Answer: 4

Question. What type of reaction takes place in the given equations?

Bacl₂ +H₂ SO4 — BaSO4 +2HCI

  • condensation
  • displacement
  • double displacement
  • redox

Answer: 3

Question. What is the pH of tomato juice?

Answer: 2

Question. What type of reaction is this?

CuO + H₂ — Cu + H₂O

  • combination reaction
  • decomposition reaction
  • displacement reaction
  • redox reaction

Answer: 4

Question. What type of reaction is this?

Fe(s)+ CuSO4(aq)→FeSO4(aq)+Cu(s)

  • combination reaction
  • decomposition reaction
  • displacement reaction
  • redox reaction

Answer: 3

Question. What type of reaction is this?

CaO(s) +H₂O(l)→Ca(OH)₂

  • combination reaction
  • decomposition reaction
  • displacement reaction
  • redox reaction

Answer 1

Question. , The packaging of foods containing fats and oils in gas can also prevent rancidity.

  • nitrogen
  • Hydrogen
  • chlorine
  • helium

Answer 1

read also

Question. Denaturation of fat and oil is………?

  • reduction
  • oxidation
  • redox reaction
  • None

Answer: 2

Question. The green coating in copper is due to the formation of?

  • copper sulfide
  • copper carbonate
  • copper chloride
  • copper nitrate

Answer: 2

Question. The black coating of silver is due to the formation of?

  • silver sulfide
  • silver carbonate
  • silver chloride
  • silver nitrate

Answer 1

Question. Which acid causes pain in our muscles?

  • lactic acid
  • sulfuric acid
  • hydrochloric acid
  • acetic acid

Answer 1

Question. The chemical name of “caustic soda” is

  • Sodium chloride
  • sodium hydroxide
  • sodium carbonate
  • sodium peroxide

Answer: 2

Question. What is the formula of vermilion?

Answer: 4

Question. What is the formula of slaked lime?

Answer : ?

What would be the correct answer to this question? Do give us your answer in the comment section.


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