Grade 10 Final Revision

 

What is the main purpose of a voltaic cell?

• absorb light

• heat up substance

• produce electricity from chemical reaction

• To store energy

Which part of voltaic cell allows ions to move between solutions?

• Wire

• Salt bridge

• Electrode

• Light bulb

What is the Standard hydrogen Electrode (SHE) mainly used for?

• To compare electrode potential

• To measure temperature

• To generate electricity

• To produce hydrogen gas

In a galvanic cell, the substance with higher reduction potential

• React with water to form gas

• Act as anode and be oxidized

• act as the cathode and be reduced

• A.    Be inert and do not react.

What is electrolysis?

• The combination of elements using heat

• breakdown of a compound using electricity

• The combination of elements using heat

• A method of measuring current

In electrolysis, the liquid that allows electricity to pass is called:

• Electrolyte

• Metal

• water

• battery

What is the main function of a dry cell?

• produce electricity from chemical energy

•   To Measure current

• Store light

• create light

Which of the following is used in electroplating?

• Plastic

• metal

• paper

• wood

Which of the following is a hydrocarbon?

• Ethane

• carbon dioxide

• nitrogen

• oxygen

 

Hydrocarbons are mainly used as:

• Food

• fertilizers

• fuels

• Building