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Chemistry

State the number of atoms of each element, present in

(a) C6H12O6

(b) H2SO4

(c) HNO3

(d) CaCO3

Also name these compounds.

Elements, Compounds & Mixtures

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Answer

(a) C6H12O6 — Glucose

  1. Carbon (C): 6 atoms
  2. Hydrogen (H): 12 atoms
  3. Oxygen (O): 6 atoms

(b) H2SO4 — Sulphuric acid

  1. Hydrogen (H): 2 atoms
  2. Sulfur (S): 1 atom
  3. Oxygen (O): 4 atoms

(c) HNO3 — Nitric acid

  1. Hydrogen (H): 1 atom
  2. Nitrogen (N): 1 atom
  3. Oxygen (O): 3 atoms

(d) CaCO3 — Calcium carbonate

  1. Calcium (Ca): 1 atom
  2. Carbon (C): 1 atom
  3. Oxygen (O): 3 atoms

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