Neutralisation

Question 0

What are the uses of neutralisation?

Answer 0

Soil treatment, indigestion, insect stings, factory waste.

Question 1

What is neutralisation?

Answer 1

When an acid reacts with an alkali to produce a neutral solution of a salt + water

Question 2

What is the equation for acid + base?

Answer 2

Acid + base -> salt + water

Question 3

What is the equation for acid + metal?

Answer 3

Acid + metal -> salt + hydrogen

Question 4

What is the equation for acid + metal carbonate?

Answer 4

Acid + metal carbonate -> salt + water + carbon dioxide

Question 5

What does pH 1-6 mean?

Answer 5

Acidic

Question 6

What does pH 7 mean?

Answer 6

Neutral

Question 7

What does pH 8-14 mean?

Answer 7

Alkaline

Question 8

What is an indicator?

Answer 8

Substance/mixture that when added to a solution gives a different colour depending on the pH.

Question 9

What colour is red litmus paper in acid/neutral/alkali?

What colour is blue litmus paper in acid/neutral/alkali?

Answer 9

Red, red, blue

Red, blue, blue

Question 10

What colour is universal indicator solution in acid/neutral\alkali?
What colour is methyl orange in acid/neutral/alkali?
What colour is screened methyl orange in acid/neutral/alkali?
What colour is phenolphthalein in acid/neutral/alkali?

Answer 10

Red, green, purple
Red, orange, yellow-orange
Orange-red, green, green
Colourless, colourless, pink

Question 11

What is the answer If we have hydrochloric acid + zinc?

Answer 11

Zinc chloride + hydrogen