Worksheetschapter 2 anions of HCl
Total questions: 10
Worksheet time: 20mins
Sugar cane must be crushed to extract the juice. The juice is collected, filtered and then boiled to drive off the excess water and give white solid crystals. which of the following tools could be used to know the purity of the sugar
Beaker, test tube, graduated cylinder
X-ray and electron microscope
Bunsen burner and digital thermometer
infrared devices (determination of functional groups)
Your body needs cholesterol to build healthy cells, but high levels of cholesterol can increase your risk of heart disease. With high cholesterol, you can develop fatty deposits in your blood vessels. Cortisone is a pregnant (21-carbon) steroid hormone which is important for vital processes. which of the following tools could be used to differential be tween cholesterol and cortisone.
Beaker, test tube, graduated cylinder
Bunsen burner and digital thermometer
Electron microscope and normal light microscope
Mass spectroscopy (measuring molecular weight), infrared devices (determination of functional groups)
to extract iron from stainless steel sample, which of the following procedures could be conducted
magnet and washing
complete reduction, dissolution in acid, filtration, strong heating of the residue, neutralization with base
reaction with conc. nitric acid
dissolution in acid, neutralization with base, filtration, strong heating of the residue, complete reduction
which of the following could be used to differentiate between calcium carbonate and calcium bicarbonate
magnesium chloride
dil. HCl
pure water
AgNO3 solution
which of the following technics could be used to separate a mixture of magnesium carbonate and sodium carbonate.
reaction with HCl then adding NaOH
dissolution in MgSO4 then filtration and evaporation
addition of water then filtration and evaporation
reaction with BaCl2 then evaporation
............... is used to differentiate between sulphur dioxide and carbon dioxide gases.
Sodium hydroxide solution
calcium carbonate solution
Sodium bicarbonate solution
Silver nitrate solution
We can differentiate between sodium nitrate and silver nitrite by .......
Sodium hydroxide solution
blue litmus paper.
Sodium sulphide solution
Sodium chloride solution
We can differentiate between the product of reaction of sodium sulphide and sodium sulphite with HCl using .......
Sodium hydroxide solution
blue litmus paper.
acidified K2Cr2O7 solution
acidified KMnO4 solution
We can differentiate between sodium carbonate and sodium bicarbonate by .......
magnesium chloride solution
Conc HCl
MgSO4 solution
silver nitrate solution
we can differentiate between HCl solution and H2SO4 solution using
sodium carbonate solution
sodium sulphite solution
sodium chloride solution
sodium thiosulphate solution
