HARD
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Look at the graph and answer:

Question Image

What is the rate of reaction during the sixth minute?

Important Questions on The Speed of a Reaction

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 10 - The Speed of a Reaction>Q>Q 3

Complete and explain the following:

A reaction goes _____ when the concentration of a ______ is increased. It also goes ______ when the _____ is raised.

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 10 - The Speed of a Reaction>Q>Q 4
Raising the temperature speeds up a reaction. Try to give two (new) examples of how this is used in everyday life. 
HARD
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 10 - The Speed of a Reaction>Q>Q 5
What happens to the rate of the reaction when the temperature is lowered? How do we make use of this?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 10 - The Speed of a Reaction>Exercise 5
What do you think, will surface area affect the rate of the reaction?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 10 - The Speed of a Reaction>Q>Q 2
Which has the largest surface area: 1g of large marble chips, or 1g of small marble chips? 
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 10 - The Speed of a Reaction>Q>Q 2
The samples given are large marble chips and small marble chips: which 1g sample will disappear first when reacted with excess hydrochloric acid. Why? 
HARD
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 10 - The Speed of a Reaction>Q>Q 3
Explain why fine flour dust in the air is a hazard, in flour mills. 
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 10 - The Speed of a Reaction>Q>Q 1

Complete and explain the following:

Two particles can react together only if they _____ and the _____ has enough _____ to _____ .