MEDIUM
Lower Secondary Stage 8
IMPORTANT
Earn 100

Write the word equation for the reaction between tin and sulphuric acid.

Important Questions on Chemical Reactions

MEDIUM
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 6 - Chemical Reactions>Exercise 7>Q 4
Write the word equation for the reaction between aluminium and hydrochloric acid.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 6 - Chemical Reactions>Exercise 8>Q 6
Marble statues can be damaged over time because of acid rain. Suggest why this happens.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 6 - Chemical Reactions>Exercise 9>Q 7
Write a word equation for the reaction between zinc carbonate and sulphuric acid.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 6 - Chemical Reactions>Exercise 9>Q 7
Write a word equation for: What happens when carbon dioxide is bubbled through lime water.
HARD
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 6 - Chemical Reactions>Exercise 11>Q 1
Explain, how a new theory (particle theory) helped change ideas about what happens when substances burn.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 6 - Chemical Reactions>Exercise 11>Q 2
Plan a way of collecting evidence to prove that carbon dioxide is made when carbon burns.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 6 - Chemical Reactions>Exercise 11>Q 3
When you burn a candle, substances in the wax react with oxygen in the air to produce the products carbon dioxide and water vapour. Explain why a candle gets smaller as it burns.
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 6 - Chemical Reactions>End of chapter review>Q 1
What salt is formed when calcium reacts with sulphuric acid.