Chapter 9: Problem 29
Which of the following is not an ingredient of clinker cement? (a) calcium silicate (b) aluminium silicate (c) calcium aluminium silicate (d) gypsum
Chapter 9: Problem 29
Which of the following is not an ingredient of clinker cement? (a) calcium silicate (b) aluminium silicate (c) calcium aluminium silicate (d) gypsum
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Get started for freeIdentify the compound which is the final product of Solvay process (a) ammonium carbonate (b) ammonium bicarbonate (c) sodium carbonate (d) sodium bicarbonate
Which property is imparted to glass by the addition of cerium oxide? (a) colour (b) resistance to breakage (c) increase of refractive index (d) protection from UV light
Noble metals get dissolved in aqua regia, the composition of aqua regia is (a) \(3 \mathrm{HCl}+\mathrm{HNO}_{3}\) (b) \(3 \mathrm{HNO}_{3}+\mathrm{H}_{2} \mathrm{SO}_{4}\) (c) \(\mathrm{HCl}+3 \mathrm{HNO}_{3}\) (d) \(\mathrm{HNO}_{3}+3 \mathrm{H}_{2} \mathrm{SO}_{4}\)
State whether the following statements are true or false. A fire extinguisher contains sodium bicarbonate and acid.
Formula of plaster of Paris is (a) \(\mathrm{CaSO}_{4} \cdot \mathrm{H}_{2} \mathrm{O}\) (b) \(3 \mathrm{CaSO}_{4} \cdot \mathrm{H}_{2} \mathrm{O}\) (c) \(\mathrm{CaSO}_{4} \cdot 2 \mathrm{H}_{2} \mathrm{O}\) (d) \(\mathrm{CaSO}_{4} \cdot 1 / 2 \mathrm{H}_{2} \mathrm{O}\)
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