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Chemistry Basics Questions for RRB NTPC

Free, AI-curated practice for the Chemistry Basics section of RRB NTPC. We have 15+ verified questions in this bank. Below: 5 sample questions. Sign up free to unlock unlimited practice + AI explanations + per-topic analytics.

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📍 Chemistry Basics is also tested in:
RRB GROUP D (15)

Sample questions

Q1 · medium · AI-verified
What is the atomic number of carbon?
  1. 4
  2. 6
  3. 8
  4. 12
Q2 · medium · AI-verified
Which of the following is the chemical formula for common salt?
  1. NaCl
  2. KCl
  3. CaCl2
  4. MgCl2
Q3 · medium · AI-verified
What is the pH value of pure water at 25°C?
  1. 7
  2. 14
  3. 6
  4. 8
Q4 · medium · AI-verified
Which element is used as a catalyst in the Haber process for the synthesis of ammonia?
  1. Iron
  2. Nickel
  3. Platinum
  4. Vanadium
Q5 · medium · AI-verified
What is the chemical name of baking soda?
  1. Sodium carbonate
  2. Sodium bicarbonate
  3. Sodium hydroxide
  4. Sodium chloride
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