Which is chemically called calcium carbonate? [lc-1]
Which is chemically called calcium oxide? [lc-2]
Which is chemically called calcium hydroxide? [lc-3]
Which of the following is chemically called sodium carbonate? [lc-4]
Which of the following is TRUE about limestone? [lc-9]
Which of the following is TRUE about limestone? [lc-10]
Which of the following is TRUE about limestone? [lc-11]
Which of the following is TRUE about limestone? [lc-12]
Which of the following is the way the useful material cement is made? [lc-13]
Which is the way the useful material concrete is made? [lc-14]
Which is the way the useful material glass is made? [lc-15]
Which is the way the useful material slaked lime is made? [lc-16]
Which of the following is TRUE? [lc-17]
Which of the following is TRUE? [lc-18]
Which of the following is TRUE? [lc-19]
Which of the following is TRUE? [lc-20]
Which of the following isTRUE? [lc-21]
Which of the following is TRUE? [lc-22]
Which of the following is TRUE? [lc-23]
Which of the following is TRUE? [lc-24]
Which of these dissolved in water forms 'limewater'? [lc-25]












Which rock is most likely to fizz the most when put in acid? [lc-45]
Which gas is given off when limestone reacts with acid? [lc-46]
To make lime from limestone in industry, it is heated in a? [lc-50]
Which of the following best describes the formation of limestone? [lc-55]
Which gas is formed when limestone is heated? [lc-56]
Which gas is formed when zinc carbonate is thermally decomposed? [lc-57]
Which is formed when a particular acid reacts with limestone? [lc-58]
Which is formed from lime and water? [lc-59]
Which is formed when limestone is heated? [lc-60]
Which is a use of slaked lime? [lc-61]
To which kind of field soil should a farmer add powdered limestone? [lc-62]
Which means 'a compound split into simpler substances by heat'? [lc-63]




Cement is made by heating limestone with? [lc-75]
Glass is made by heating limestone with 'soda' and ? [lc-76]
Glass is made by heating limestone with sand and? [lc-77]
Which of the following is limestone? [lc-5]
Which of the following is quicklime? [lc-6]
Which of the following is slaked lime? [lc-7]
Which is gypsum (plaster of Paris)? [lc-8]





Which when mixed with water will give the highest solution pH? [lc-47]
Which is the least soluble in water? [lc-48]
Carbon dioxide dissolves in sea water and reacts with calcium and magnesium salts to form carbonates and hydrogencarbonates. Which statement about solubility is TRUE? [lc-49]
For every 100g of limestone decomposed by heat, 56g of quicklime are made. How much quicklime is made from heating 25g of limestone? [lc-51]
For every 100g of limestone decomposed by heat, 56g of quicklime are made. How much quicklime is made from heating 300g of limestone? [lc-52]
For every 10 tonne of limestone decomposed by heat, 5.6g tonne of quicklime are made. How much limestone is needed to make 22.4 tonne of lime? [lc-53]
For every 10 tonne of limestone decomposed by heat, 5.6g tonne of quicklime are made. How much limestone is needed to make 1.4 tonne of lime? [lc-54]
Which five numbers a, b, c, d and e are required to balance the equation ...
Which four numbers a, b, c and d are required to balance the equation ...
Which four numbers a, b, c and d are required to balance the equation ...
Which four numbers a, b, c and d are required to balance the equation ...
Which is formed when hydrochloric acid reacts with limestone (calcium carbonate)? [lc-68]
Which is formed when sulphuric acid reacts with limestone (calcium carbonate)? [lc-69]