Chapter 6

Question 1

What is an indicator

Answer 1

A substance that shows if a substance is a base or an acid

Question 2

What is the PH scale

Answer 2

A scale from 0-14 that tells you have acidic or basic it is

Question 3

If the PH is 4 what is it

Answer 3

Acidic

Question 4

If the PH is 1 what is it

Answer 4

Very acidic

Question 5

If the PH is 7 what is it

Answer 5

Neutral

Question 6

If the PH is 9 what is it

Answer 6

Basic

Question 7

If the PH is 13 what is it

Answer 7

Very basic

Question 8

What happens when a atom looses a electron

Answer 8

It becomes a ion

Question 9

If a positive charge hits a atom what might happen

Answer 9

It might loose a electron because it is a negative charge

Question 10

What does acid contain

Answer 10

Hydrogen ions

Question 11

What happens if a atom gains a electron

Answer 11

It becomes an ion

Question 12

Carbonate + acid =

Answer 12

Salt + water + carbon dioxide

Question 13

Metal + dilute acid =

Answer 13

Salt + hydrogen

Question 14

Sodium + hydrochloric acid =

Answer 14

Sodium chloride + hydrogen

Question 15

What happenes if you mix a acid and a base

Answer 15

It neutralises each other

Salt and water

Question 16

What is 1 way to find if something is Co2?

Answer 16

Put in test tube
Light match
If match goes out = Co2

Question 17

What is 2nd way to find Co2?

Answer 17

Put in limewater, if it turns to solid and white = Co2