Match the compounds given in Column I with their uses mentioned in Column II.
Column I
Column II
(i) CaCO3
(a) Density, ornamental work
(ii) Ca(OH)2
(b) Manufacture of sodium carbonate from caustic soda
(iii) CaO
(c) Manufacture of high quality paper
(iv) CaSO4
(d) Used in white washing
Match the compounds given in Column I with their uses mentioned in Column II.
|
Column I |
Column II |
|
(i) CaCO3 |
(a) Density, ornamental work |
|
(ii) Ca(OH)2 |
(b) Manufacture of sodium carbonate from caustic soda |
|
(iii) CaO |
(c) Manufacture of high quality paper |
|
(iv) CaSO4 |
(d) Used in white washing |
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1 Answer
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This is a matching type question as classified in NCERT Exemplar
(i) → (c); (ii) → (d); (iii) → (b) : (iv) → (a)
(i) CaCO3 is used in manufacturing of high quality paper.
(ii) Due to the disinfectant nature of Ca (OH)2 is used in white wash.
(iii) CaO is used in the manufacture of sodium carbonate from caustic soda.
(iv)CaSO4 is used in dentistry, ornamental work and for making statues.
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