N5 Chemistry Unit 1 Revision Quiz 2

What is the test for carbon dioxide gas?

• burns with a pop

• relights a glowing splint

• turns limewater cloudy

• turns damp pH paper blue

Which of the following changes would increase the reaction rate?

Select all that apply

• increasing the temperature

• increasing the particle size of the marble chips

• increasing the concentration of the acid

• increasing the volume of the acid

What charge does a proton have?

• positive

• negative

• neutral

What is the name given to group 7 in the Periodic Table?

• Halogens

• Transition Metals

• Alkali Metals

• Noble Gases

What term is used to describe any chemical reaction that releases heat energy to the surroundings?

• exothermic

• endothermic

Which of these elements burns with a lilac flame?

• calcium

• lithium

• potassium

• sodium

Which catalyst is used in the Haber Process?

• iron

• nickel

• platinum

What type of bonding and structure is shown by this diagram?

• covalent molecular

• covalent network

• ionic lattice

• metallic lattice

This equation will be balanced when

• x = 1, y = 2 and z = 1

• x = 2, y = 3 and z = 2

• x = 3, y = 2 and z = 3

• x = 4, y = 3 and z = 4

Which compound would not neutralise hydrochloric acid?

• Sodium carbonate

• Sodium chloride

• Sodium hydroxide

• Sodium oxide