Acids, Bases and Salts – NDA Previous Year Questions (2020–2023)

All 10 NDA previous-year questions from Acids, Bases and Salts (General Knowledge (Chemistry)), 2020–2023, taken from 5 papers. Practise them together in one test with the official marking and answer key, then review every answer.

▶ Practise all 10 questionsAll NDA chapters

Acids, Bases and Salts questions by paper

Sample questions

• NDA 2023 (I) Paper II GAT
  Copper sulphate crystals available in the market are blue coloured crystals By careful heating they turn to white colour Which one of the following is responsible for…
• NDA 2023 (II) Paper II GAT
  Which one of the following acid is used by goldsmith for cleaning of gold and silver articles a Sulphuric acid Nitric acid Hydrochloric acid Phosphoric acid
• NDA 2023 (II) Paper II GAT
  What is the action of litmus on ethanol a Litmus is neutral towards ethanol Ethanol turns blue litmus to red confirming acidic nature of ethanol Ethanol turns red…
• NDA 2021 (I) Paper II GAT
  Which one of the following is the chemical formula of Hypobromous acid a HOBr

Question text shown from the scanned paper; open the test to see each question exactly as printed.

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