Multiple choice

Consider the following and choose which among them cannot be split into simpler substances by a chemical means? i. Chlorine ii. Water iii. Oxygen iv. Silica v. Sand vi. Hydrogen vii. Sodium viii. Zinc

  1. i, ii, iii, vi, viii

  2. i, iii, vi, vii, viii

  3. i, ii, v, vii

  4. ii, iv, v
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Chlorine, oxygen, hydrogen, sodium and zinc are elements and they cannot be split into simpler substances by a chemical means.

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