Fireworks

Which of the following is the symbol for Palladium?

• P

• Pt

• Pd

• Pa

Which of the following elements have the atomic number 17?

• Nitrogen

• Chlorine

• Argon

• Cobalt

Which part of the atom is the arrow pointing to?

• Proton

• Neutron

• Electron

• Nucleus

What elements are in the compound lithium chlorate?

• Lithium and chlorine

• Lithium and calcium

• Lithium, chlorine and oxygen

Which of the following is a chemical reaction?

• Water boiling

• A tree growing

• Ice melting

• Glass smashing

What is the test for carbon dioxide gas?

• It burns with a 'pop'

• It turns lime water clear

• It turns lime water milky/cloudy

• It turns cobalt chloride paper pink

What are the products of combustion?

• carbon dioxide

• carbon dioxide and hydrogen

• hydrogen and water

• carbon dioxide and water

Which of the following statements are false?

• A new substance is always formed during a physical change.

• A chemical reaction is irreversible.

• A physical change is easy to reverse.

• A chemical reaction always forms a new substance.

What is the sign of the chemical reaction taking place in the image?

• A solid is produced (precipitation)

• Colour change

• A gas is released (effervescence)

What is the name of the group highlighted in red on the periodic table?

• Alkali metals

• Transition metals

• Noble gases

• Halogens