Acid And Bases

Question 0

Give an example of liquid fuel

Answer 0

Petrol, diesel and paraffin oil

Question 1

Give an example of a solid fuel.

Answer 1

Coal, turf and wood

Question 2

Give an example of a fuel that is a gas

Answer 2

Methane CH4

Question 3

What is a fuel

Answer 3

A fuel is any substance that burns in oxygen to produce heat

Question 4

What is a fossil fuel

Answer 4

Fossil fuels are fuels that were formed from the remains of plants and animals that lived millions of years ago

Question 5

What contains hydrocarbons

Answer 5

Fossil fuels

Question 6

What are hydrocarbons

Answer 6

Hydrocarbons are compounds consisting of hydrogen and carbon only

Question 7

What is formed when hydrocarbon is burned

Answer 7

Water and carbon dioxide

Question 8

What does sulfuric acid come from

Answer 8

Sulfuric acid comes from sulfur dioxide

Question 9

What is the chemical format for sulfuric acid

Answer 9

H2SO4

Question 10

How is sulfuric acid formed

Answer 10

When coal and oil are burned in power stations it forms sulfur dioxide this is very soluble in water and dissolves in water to eventually form sulfuric acid

Question 11

Name three problems with acid rain

Answer 11

Acid rain destroys lakes(killing fish) acid rain harms trees and acid rain attacks stone and iron

Question 12

How can we solve the problems of acid rain

Answer 12

Install chemical plants to remove the sulfur dioxide from emission power stations. Reduce the sulfur content of fuels. Install catalysts in the exhaust system of cars. Burn less fossil fuels

Question 13

Name two common acids you would find in the lab

Answer 13

Hydrochloric acid and sulfuric acid

Question 14

Name two common bases

Answer 14

Sodium hydroxide and calcium hydroxide

Question 15

How can u make salt

Answer 15

Using the the process of titration

Question 16

What is acid rain a mixture of

Answer 16

Sulfuric acid and nitric acid

Question 17

What is an indicator

Answer 17

An indicator shows by means of a colour change whether a substance is acidic or basic

Question 18

What do acid turn litmus paper to

Answer 18

Bra blue red acid

Question 19

What pH does a base have

Answer 19

A pH greater than 7

Question 20

What pH makes a substance neutral

Answer 20

PH of 7

Question 21

What is a universal indicator

Answer 21

A mixture of indicators

Question 22

Give two examples of bases

Answer 22

Toothpaste, oven spray and window cleaner

Question 23

What is the name given to bases

Answer 23

Alkaline

Question 24

Give an example of an acid

Answer 24

Citric acid lactic acid ascorbic acid Hydrochloric acid

Question 25

What is name given to dangerous substances such as sodium hydroxide

Answer 25

Corrosive

Question 26

How is salt formed

Answer 26

A salt is formed when the hydrogen in a n acid is replaced by a metal

Question 27

Name gaseous fuel commonly used for cooking in the home

Answer 27

Methane

Question 28

Complete the sentence : acid+base➡️

Answer 28

Acid and base➡️ salt and water

Question 29

Name three examples of neutralisation

Answer 29

Toothpaste neutralises the acid that damages our teeth, vinegar is used to neutralise the alkaline sting of wasp stings, dock leaves are used to neutralise the acidic from nettles

Question 30

What is the chemical formula sodium hydroxide

Answer 30

NaOH

Question 31

What is the chemical formula for calcium hydroxide

Answer 31

Ca(OH)2

Question 32

What is the chemical formula for Hydrochloric acid

Answer 32

HCL

Question 33

HCL +NaOH=

Answer 33

NaCL +H2O

Question 34

What is the chemical formula of methane

Answer 34

CH4