RoseMarie Gallagher and Paul Ingram Solutions for Chapter: The Speed of a Reaction, Exercise 8: Q

Author:RoseMarie Gallagher & Paul Ingram

RoseMarie Gallagher Chemistry Solutions for Exercise - RoseMarie Gallagher and Paul Ingram Solutions for Chapter: The Speed of a Reaction, Exercise 8: Q

Attempt the free practice questions on Chapter 10: The Speed of a Reaction, Exercise 8: Q with hints and solutions to strengthen your understanding. Complete Chemistry for Cambridge IGCSE® Second Edition solutions are prepared by Experienced Embibe Experts.

Questions from RoseMarie Gallagher and Paul Ingram Solutions for Chapter: The Speed of a Reaction, Exercise 8: Q with Hints & Solutions

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 10 - The Speed of a Reaction>Q>Q 1

What is a catalyst? 

HARD
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 10 - The Speed of a Reaction>Q>Q 2

Which of these does a catalyst not change?

a. a speed of a reaction 

b. the product that formed

c. the total amount of each product formed.

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

Explain what an enzyme is, and give an example.

HARD
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 10 - The Speed of a Reaction>Q>Q 4

Why do our bodies need enzymes?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 10 - The Speed of a Reaction>Q>Q 5

Catalysts are very important in the industry. Explain why.

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 10 - The Speed of a Reaction>Q>Q 6

Give two examples of catalysts used in the chemical industry.

HARD
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 10 - The Speed of a Reaction>Q>Q 7

A box of biological detergent had this instruction on the back: Do not use in a wash above 60°C. Suggest a reason.