COLLOID, WATER AND ORGANIC SOLVENTS

Colloid is a mixture of ___________________ that dispersed evenly in a solvent.

• one or more solutes

• two solutes

• two or more solutes

• two or more compounds

Choose the correct examples of colloids.

• Mayonnaise

• Jelly

• Marshmallow

• Chloroform

• Perfume

Water is know as a universal solvent because _________________

• can mix with other substances

• can dissolve almost all substances

• can dissolve all substances

• can mix with all substances

Choose the correct the uses of water as universal solvent :

• dissolving chemical substances

• dissolving detergents

• dissolving oil and rubber

• dissolving paint and varnish

Choose the correct benefits why water is suitable as a solvent :

• cheaper

• can dissolve all substances

• easily available

• safe to manage

Organic solvent is an organic compound containing ________________________ that can be used to dissolve solutes

• hydrogen elements

• carbon elements

• oxygen elements

• water elements

Choose the correct examples of organic solvents

• Turpentine

• Benzene

• Acetone

• Detergents

• Whipping cream

Choose the correct usage for alcohol :

• to produce perfume

• to produce nail varnish

• to act as antiseptic

• to extract oil

• to remove ink stain

Choose the correct usage of benzene :

• to stick plastic

• to remove stain of oil or grease

• act as solvent in chemical substance

• to produce perfume

Choose the correct usage for acetone :

• to produce fuel

• to produce nail varnish

• to produce lipsticks

• to produce polishing liquid

• to produce laquer