Sec 3 Revision quiz

An electron is

• positively charged

• neutral

• negatively charged

atomic number is

• the number of protons

• the number of electrons

• the number of neutrons

• the location of an atom on the periodic table

When an acid reacts with a metal following is the product

• salt + hydrogen

• salt + carbon dioxide + water

If the solution has a pH of 7 it is considered to be ............. .

• acidic

• neutral

• basic

What is the name of the reaction between hydrochloric acid and sodium hydroxide?

• Neutralization

• Naturalization

• Normalization

• Nationality

Ionic bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

Some properties of substance Y are described below.

I Y has a melting point of 1124 ^oC.

II Y dissolves easily in water to form a colourless solution.

III Y can conduct electricity only when dissolved in water and in the molten state.

Which of the following is substance Y likely to be?

• copper

• iodine

• magnesium sulfate

• nitrogen monoxide

What apparatus is suitable to transfer aqueous 25.0 cm³ of sodium hydroxide?

• pipette

• burette

• measuring cylinder

• beaker

What can be used to collect and measure the volume of carbon dioxide produced in an experiment?

• burette

• pipette

• gas syringe

• displacement of water

Name the salt formed between sodium hydroxide and nitric acid

• sodium chloride

• sodium sulfate

• sodium nitrate

• sodium nitrite