Product Mass

Cu

• Chlorine

• Carbon

• Chromium

• Copper

What is the formula mass of Methane CH4?

C 12, H1

• 1

• 12

• 16

• 52

How is Iron produced from its ore?

• Found in the Earth's crust uncombined.

• Electrolysis

• Heat with Carbon

• Distilled

Which element burns with a bright white flame?

• Oxygen

• Hydrogen

• Carbon

• Magnesium

Which acid has formula H₂SO₄?

• Sulphuric

• Hydrochloric

• Nitric

• Ethanoic

Why is Aluminium used in planes?

• Only the top layer corrodes.

• Strong but light.

• Melts at 800⁰C

• Reflects radio waves.

Which gas explodes with a squeaky pop?

• Oxygen

• Ammonia

• Carbon dioxide

• Hydrogen

What is the formula for Oxygen gas?

• O

• O₂

• O₃

• O₄

How many elements are in Potassium permanganate KMnO4?

• 1

• 2

• 3

• 4

What is the symbol for Silver?

• Ag

• Se

• S

• Si