Salt Question Preview (ID: 50734)
Make It Fun While Learning.
TEACHERS: click here for quick copy question ID numbers.
Which of the following mixture is normally used to prepare a pure sample of barium sulphate in the laboratary
a) Barium and concentrated sulphuric acid
b) Barium hydroxide solution and sodium sulphate solution
c) Barium oxide and dilute sulphuric acid
d) Barium carbonate and sodium sulphate solution
All of the following show the importance of knowing the solubility of salt except
a) to make epsum salt to cleanse the intestine
b) to separate a salt from mixture of salts
c) to prepare a salt sample
d) to identify cations and anions through qualitative analysis
Which of the following salt solution is colourless?
a) copper (II) sulphate
b) iron (II) sulphate
c) Cobalt (III) nitrate
d) Sodium chloride
Which of the following does not describe a salt
a) A salt is an ionic compound
b) It is composed of a cation from an acid and anion from a base
c) The cations and anions are held together by strong ionic bonds
d) It is formed when the hydrogen ions in an acid are replaced by metallic ions
Which of the following is the best way to prepare silver chloride salt
a) Reacting silver metal with hydrochloric acid
b) Reacting silver oxide with hydrochloric acid
c) Reacting silver metal with chlorine gas
d) Reacting between of silver nitrate and sodium chloride
Which of the following sulphate salts is soluble in water to form coloured aqueous solution?
a) lead (II) sulphate
b) Calcium sulphate
c) Copper (II) sulphate
d) Pottasium sulphate
The number of sodium ions in 500 cm^3 aqueous sodium chloride solution is 4x10^23 ions. What is the concentration of the solution? Avagadro constant= 6x10^23
a) 2/3 mol dm^-3
b) 3/4 mol dm^-3
c) 4/3 mol dm^-3
d) 3/2 mol dm^-3
What is minimum mass of magnesium required to react with excess dilute sulphuric acid to produce 224 cm^3 hydrogen gas at s.t.p. ? Molar volume of gas =22.4 dm3 mol^-1 at s.t.p.; RMM= 24
a) 0.12g
b) 0.24g
c) 0.48g
d) 2.40g
When 5g of solid hydrated copper (II) sulphate salt is heated, 3.2g dehydrated copper (II) sulphate is collected. What is the formula of the hydrated copper (II) sulphate salt? RMM: H=1, O=16, S=32, Cu=64
a) CuSO4.2H2O
b) CuSO4.3H2O
c) CuSO4.5H2O
d) CuSO4.7H2O
All of the following are examples of salt except
a) Zinc Oxide
b) Sodium Chloride
c) Pottasium Nitrate
d) Magnesium Sulphate
Which of the following will occur when aqueous potassium chloride is added to the aqueous silver nitrate solution in test tube?
a) The pH value of the solution is will decrease
b) Effervescence will be observed
c) A white precipitate will be formed
d) The contents of the test tube will become old
Which of the following nitrate salts does not produce brown gas when treated with heat?
a) potassium nitrate
b) Silver nitrate
c) zinc nitrate
d) lead (II) nitrate
Gas X is flown into an acidified potassium manganate (VII) solution. The colour of the solution changes from purple to colourless. What is gas X
a) sulphur dioxide
b) water vapour
c) nitrogen dioxide
d) hydrogen gas
Salt P is a colourless solid that produces brown gas when it is treated with heat. When sodium chloride solution is added to the salt P solution, a white precipitate that dissolves in hot water is obtained. Salt P probably
a) magnesium nitrate
b) silver nitrate
c) lead (II) nitrate
d) zinc nitrate
When aqueous salt X is reacted with sodium chloride, a white precipitate that dissolves in hot water is formed. What salt is produced if X is reacted with copper (II) sulphate?
a) copper (II) chloride
b) Lead (II) chloride
c) Sodium sulphate
d) Lead (II) sulphate
Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 50734 in the upper right hand corner or click here.
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 50734 in the upper right hand corner or click here.
TEACHERS / EDUCATORS
Log In | Sign Up / Register
Log In | Sign Up / Register