acids, alkalis and indicators

Question 1

hydrochloric acid

Answer 1

HCL

Question 2

nitric acid

Answer 2

HNO₃

Question 3

Sulfuric acid

Answer 3

H₂SO₄

Question 4

definition of an acid

Answer 4

pH below 7 and produces H+ ions when dissolved

Question 5

definition of a base

Answer 5

pH above 7 that doesn’t dissolve and reacts with and neutralises acids producing salt and water only

Question 6

definition of an alkali

Answer 6

a base that dissolves and produces OH- ions

Question 7

neutralisation formular

Answer 7

(H+) + (OH-) —-> (H₂O)

Question 8

if it end with “droxide” its a…..

Answer 8

an alkali

Question 9

if it ends with “oxide” its a…….

Answer 9

base

Question 10

methyl orange with an acid

Answer 10

red

Question 11

methyl orange with a base

Answer 11

orange

Question 12

universal indicator with acid, neutral, base

Answer 12

red, green, blue

Question 13

phenolphaline with acid

Answer 13

clear

Question 14

phenolphaline with base

Answer 14

pink

Question 15

dissosiation definition

Answer 15

when a compound separates into discreate ions

Question 16

3 strong acids

Answer 16

hydrochloric acid
nitric acid
sulphuric acid

Question 17

definition of salt

Answer 17

an ionic compound produced by a neutralisation reaction

Question 18

what is the first part of a salt named after

Answer 18

the metal involved

Question 19

what is the second part of a salt named after

Answer 19

the acid involved