The solution of mercury with other metals is called:
- (A) Mixture
- (B) Amalgam
- (C) Alloy
- (D) Solution
- (B) Amalgam
Which of the following is NOT a copper alloy?
- (A) Gunmetal
- (B) Brass
- (C) Stainlesssteel
- (D) Bronze
- (C) Stainlesssteel
Which one of the following is NOT an example of mixture?
- (A) Gunpowder
- (B) Air
- (C) Carbon
- (D) Sodium chloride
- (C) Carbon
The simplest way to distinguish between solution and pure liquid is:
- (A) Halogenation
- (B) Hydration
- (C) Evaporation
- (D) Distillation
- (C) Evaporation
What is called an alloy of copper and zinc?
- (A) Solder
- (B) Brass
- (C) German silver
- (D) Bronze
- (B) Brass
The gaseous solution is used to prepare ammonia gas:
- (A) Chlorine and hydrogen
- (B) Helium and nitrogen
- (C) Hydrogen and nitrogen
- (D) Oxygen and hydrogen
- (C) Hydrogen and nitrogen
The number of moles of solute dissolved per dm³ of the solution is:
- (A) Molality
- (B) Concentration
- (C) Morality
- (D) Percentage
- (C) Morality
The number of moles in 1 kg of solvent is called:
- (A) Normality
- (B) Molality
- (C) Morality
- (D) Mole fraction
- (B) Molality
What is camphor in nitrogen an example of:
- (A) Solid in gas
- (B) Gas in solid
- (C) Liquid in gas
- (D) Solid in liquid
- (A) Solid in gas
Which of the following is NOT a solid solution?
- (A) Bronze
- (B) Hydrated salts
- (C) Brass
- (D) Aerated drinks
- (D) Aerated drinks