Reactions of acids

Question 1

What is a base?

Answer 1

a base is a substance that reacts with an acid to form a only a salt and water

Question 2

Explain why all alkalis are bases but not all bases are alkalis?

Answer 2

Alkalis are soluble bases but only some bases are soluble in water. Bases that dissolve in water are alkalis

Question 3

Acids in solutions are sources of..?

Answer 3

Hydrogen ions

Question 4

Alkalis in solutions are sources of..?

Answer 4

Hydroxide ions

Question 5

What is the ph of pure water

Answer 5

7-neutral

Question 6

What is the ph range of an acid

Answer 6

7-1

Question 7

What is the ph range of an alkali

Answer 7

7-14

Question 8

What is an acid-alkali neutrilisation

Answer 8

a reaction between hydrogen ions and hydroxide ions

Question 9

Metal+acid=?

Answer 9

Salt+hydrogen

Question 10

Describe the laboratory test for hydrogen

Answer 10

Put a lit splint near the top of the test tube. If there is hydrogen u will hear a squeaky pop sound

Question 11

Metal oxides+metal hydroxides are?

Answer 11

Bases