All reaction types covered in this unit of work including:

Question 1

What type of reaction absorbs heat from the surroundings?

Answer 1

Endothermic reaction

Question 2

True or False: Combustion reactions are always exothermic.

Answer 2

True

Question 3

Fill in the blank: In a neutralisation reaction, an acid reacts with a __________ to produce salt and water.

Answer 3

base

Question 4

What is the primary characteristic of an exothermic reaction?

Answer 4

It releases heat to the surroundings.

Question 5

Multiple Choice: Which of the following is an example of a precipitation reaction? A) Burning of wood B) Mixing vinegar and baking soda C) Mixing silver nitrate and sodium chloride

Answer 5

C) Mixing silver nitrate and sodium chloride

Question 6

What is produced during a neutralisation reaction?

Answer 6

Salt and water

Question 7

True or False: In an endothermic reaction, the products have higher energy than the reactants.

Answer 7

True

Question 8

What is the general formula for combustion reactions?

Answer 8

Fuel + Oxygen → Carbon Dioxide + Water + Energy

Question 9

Fill in the blank: Precipitation reactions typically occur when two __________ solutions are mixed.

Answer 9

aqueous

Question 10

What is the main difference between exothermic and endothermic reactions?

Answer 10

Exothermic reactions release heat while endothermic reactions absorb heat.