Year 8 Homework 19/1/22 OALH

Last updated almost 4 years ago
12 questions
1

What are the reactants in combustion

1

What are the products of complete combustion

1

What are the products of incomplete combustion?

1

Complete combustion occurs when…

1

Write the word equations for the complete and incomplete combustion of methane

Challenge question.
1

Write the symbol equations for the complete and incomplete combustion of methane

1

The mass of reactants before a reaction is…

1

The mass of reactants at the start of a reaction are 15g. What are the mass of product?

1

2 g of sodium react with 3g of oxygen. The product is sodium oxide. What is the mass of sodium oxide?

1

What happens to the atoms in a chemical reaction?

1

10g of aluminium react with oxygen forming 17g of aluminium oxide.
What was the mass of oxygen?

1

15g of carbon react with oxygen forming 45g of carbon dioxide..
What was the mass of oxygen?