grade 6 class test unit 7

Cement powder mixed with water forms a thick suspension called:

• SLURRY

• LUMPS

• GRANULES

• NONE OF THESE

Some liquid solutions like iodine use ------------- as a solvent.

• WATER

• ETHANOL

• TURPENTINE

• PETROLEUM

Which one of the following chemical is used as an antifreeze?

• ETHENE

• ETHYNE

• ETHYLENE GLYCOL

• GLYCEROL

Tags

NGSS.MS-PS3-3

A suspension can be separated into its components by :

• FILTRATION

• DISTILLATION

• EVAPORATION

• DECANTATION

Bronze is an alloy of copper and --------------

• TIN

• ZINC

• LEAD

• POTASSIUM

An alloy is a solid solution of two or more:

• NON METALS

• METALS

• CHEMICALS

• SOLVENT

A strong solution, containing a lot of solute is called a ---------------- solution.

• UNSATURATED

• SUSPENSION

• DILUTE

• CONCENTRATED

A substance that dissolves while forming a solution is called

• SOLVENT

• SOLUTE

• INSOLUBLE

• MIXTURE

How much of the Earth's surface is covered by a strong salt solution?

• ONE- THIRD

• TWO- THIRDS

• ONE- FOURTH

• ONE- HALF

Which of the following is affected little by temperature?

• POTASSIUM NITRATE

• SODIUM CHLORIDE

• CALCIUM OXIDE

• CHALK

Tags

NGSS.MS-PS1-4