Question

(b)
2. A solution reacts with crushed egg-shells to give a gas that turns lime-waterm 13. Plaster of Paris
3. 10 mL of a solution of NaOH is found to be completely neutralised by 8 ml
given solution of HCL. If we take 20 mL of the same solution of NaOH, the amou
1. A solution turns red litmus blue, its pH is likely to be
12. Amilkman adds
4
(c) 5
(a) 1
(d) 10
(a) Why does h
(b) Why does tt
The solution contains
14. What is a neut
(b)
(a) NaCl
(c) LICI
(d) KCI
HCI
15. Give two impo
HCl solution (the same solution as before) required to neutralise it will be
(a) 4 mL
(b) 8 ml
12 mL
(d) 16 ml
Group
12
4. Which one of the following types of medicines is used for treating indigestion
(a) Antibiotic
(1) Prepare your
(b) Analgesic
Crush beetr
(c) Antacid
Add sufficie
(d) Antiseptic
Filter the ex
5. Write word equations and then balanced equations for the reaction take
Collect the
place when -
Arrange fo
(a) dilute sulphuric acid reacts with zinc granules.
2 mL each
in them re
(b) dilute hydrochloric acid reacts with magnesium ribbon.
Put 2-3 d:
(c) dilute sulphuric acid reacts with aluminium powder.
if any. W:
(d) dilute hydrochloric acid reacts with iron filings.
You can
6. Compounds such as alcohols and glucose also contain hydrogen but are ne
cabbage
categorised as acids. Describe an Activity to prove it.
Geraniu
7. Why does distilled water not conduct electricity, whereas rain water does?
ds, Bases and s​

Answer 1

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