Question

(a) basic
3.
A
solution.
1.
Tick) the correct options:
Which of the following substances turn blue litmus red?
(b) acidic (c) neutral (d) all of these
Which of the following is a property of an acid?
(a) sour taste (b) sweet taste O(c) bitter taste (d) salty taste
Milk of magnesia contains
hydroxide.
(a) sodium
(b) potassium (c) magnesium (d) ammonium
acid has a very small quantity of water.
(a) dilute
(b) concentrated (c) neutral (d) polluted
5. Baking soda solution turns pink china rose indicator green, it is
(a) an acidic
(b) a basic (c) a neutral (d) mineral
Fill in the blanks:
Turmeric turns
in basic solution.
Mineral acids are highly
in nature.
3. Phenolphthalein is a
indicator
solution turns pink china rose indicator dark pink.
5.
acid is present in vinegar.
Match the following:
Column A
Column B
Tartaric acid
(a) zinc carbonate
Turmeric
(b) calcium oxide
3
Neutralisation reaction
(c) human-made indicator
4. Quicklime
(d) natural acids
5. Phenolphthalein indicator
(e) gives salt and water
6. Calamine solution
(1) natural indicator
7. Organic acids
(g) sour taste
2.
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Answer 1

Answer:

1=neutral

2=sour taste

3=potassium

4=dilute

5=

Answer 2

Answer:

1 answer d 2 answer b 3 answer c 4 answer a