Hydrogen

Passing electric current through aqueous solution/ molten state to form ions

• electrolysis

• electrolyte

• non electrolyte

Nitric acid , sodium hydroxide are __________________electrolyte.

• weak

• strong

• none

_________________________is connected to the positive terminal of the battery.

• cathode

• anode

• none

Current leaves the electrolyte through the ________________.

• Cathode

• anode

• none

During electrolysis anion migrate towards

• cathode

• anode

• none

Contains impurity copper which acts as a catalyst.

• Granulated zinc

• Sodium

• Aluminium

Nitric acid is an _________________________agent.

• reducing

• oxidising

• both

______________________is formed when metal reacts with water.

• hydroxide

• metal hydroxide

• hydride

Can't react with dilute acids to liberate hydrogen

• Copper

• Mercury

• copper, mercury and silver

Hydrogen is colorless and

• combustible

• non combustible

• supports combustion