HARDMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryHydrogenAchiever Section
Match the column I with column II and mark the appropriate choice. Column I Column II (A) Syngas (i) Na₆P₆O₁₈ (B) Calgon (ii) NaAlSiO₄ (C) Permutit (iii) CO + H₂ (D) Producer gas (iv) CO + N₂
A.(A) → (i), (B) → (ii), (C) → (iii), (A) → (iv)
B.(A) → (iii), (B) → (i), (C) → (ii), (A) → (iv)✓ Correct
C.(A) → (iii), (B) → (ii), (C) → (iv), (A) → (i)
D.(A) → (iii), (B) → (ii), (C) → (i), (A) → (iv)
Explanation
Syngas is also called as synthetic gas. It consists of 2 H , CO, 4 CH , water vapours. Calgon is the complex salt of sodium with formula 3 6 ( ) NaPO . It is used to remove hardness of water. Permutit is a zeolite. It contains orthosilicate of sodium aluminium compound. Producer gas is the combination of 2 2 , , CO H N . It has lower heating value and can be used as fuel. Therefore, b is the correct answer.
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