UNIT 7 GRADE 6, SCIENCE QUIZ

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Antifreeze, used to stop car engine from freezing, is a solution made by mixing two liquids

• Ethylene glycol & ethanol

• Ethanol & water

• Ethylene glycol & water

• Ethylene glycol & turpentine

A solution that contains a greater proportion of the solute than can normally be dissolved in the solvent is said to be

• Dilute solution

• concentrated solution

• saturated solution

• supersaturated solution

solubility of which salt in water is affected little by temperature

• Potassium nitrate

• Sodium chloride

• Sodium bromide

• Copper sulphate

Which one is a suspension

• Fizzy drinks

• alloys

• air

• calamine lotion

Water is said to be hard because it contains a salt of?

• Sodium & Potassium

• Calcium & Potassium

• Calcium & Magnesium

• Magnesium and Iodine

Bronze is an alloy of Tin and?

• Copper

• Zinc

• Lead

• Pottasium

Which one of the following is said to be homogeneous?

• Solution

• Suspension

• Mixture

• Compound

Some liquid-like iodine uses -------- as a solvent

• water

• ethanol

• Turpentine

• petroleum

A substance that dissolves while forming a solution is called :

• Solvent

• Solute

• Mixture

• Suspension