Quimica

a solid that dissolves in a liquid

the amount of solid that dissolves in a liquid

the liquid in which a solid dissolves

the mixture formed when a solid dissolves in a liquid

Group I and Group 0

Group I and Group VII

Group V and Group 0

Group V and Group VII

molten covalent compounds

solid ionic compounds

gaseous covalent compounds

aqueous solutions of ionic compounds

A

B

C

D

Both carbon and carbon dioxide are oxidised.

Both carbon and carbon dioxide are reduced.

The carbon is oxidised and the carbon dioxide is reduced.

The carbon is reduced and the carbon dioxide is oxidised.

A

B

C

D

Q: iron(II)

R: carbon dioxide

Q: iron(II)

R: chlorine

Q: iron(III)

R: carbon dioxide

Q: iron(III)

R: chlorine

A

B

C

D

H2

Kr

Li

NaBr

Anhydrous cobalt(II) chloride turns blue.

Anhydrous cobalt(II) chloride turns white.

Anhydrous copper(II) sulfate turns blue.

Anhydrous copper(II) sulfate turns white.

All three compounds are hydrocarbons.

All three compounds burn.

Methane is the main constituent of natural gas.

Propane burns completely to form carbon dioxide and hydrogen.