See what we can offer to your school
"SimpleStudy just makes sense...”
Get the best plan for your school
12 questions from this quiz
Concentration of hydrochloric acid
Volume of gas produced
25 cm³
Clean it using emery paper
Every 10 seconds
When the gas volume stabilises
Cross is no longer visible
Immediately after adding acid
Rate of reaction vs concentration
Higher rate of reaction
Increase by equal increments
Select your subjects, and get access to A+ resources today.