3. Determine true or false.
(i) When acid reacts with metals, productionof hydrogen gas and salts of that metal.
(ii) When magnesium reacts with dilute nitric
acid, production of carbon dioxide gas.
(iii) When acid reacts with bicarbonate then
production of carbon dioxide.
(iv) Acids reacts with oxides of metal to
produce salt and water.
(v) Acids are bases are non-electrolytes.
(vi) The anion of arsenic acid is arsenite.
(vii) Litmus is a oxidation-reduction indicator.
(viii) The red litmus is on changed into blue
colour in acidic medium.
(ix) Phenolphthalein is a natural indicator.
(x) Both bases and alkalis are soluble in water.
(xi) To get optimum PH of an acidic soil, it is
treated with dilute carbonic acid.
(xii) Copper sulphate crystals are always wet
due to presence of water of crystallisation
in them.
Answers
Answered by
1
Answer:
1 false
2false
3true
4 true
5false
6true
7false
8false
9false
10 true
11 true
12false
Answered by
2
Answer:
hope it helps.....
Explanation:
1 false
2 false
3 true
4 true
5 false
6 true
7 false
8 false
9 false
10 true
11 true
12 false
please mark brainly... :)
Similar questions