Question # 1

Strong alkalis have pH value.

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3 to 7

1 to 2

7 to 13

13 to 14

Sodium carbonate is an importnatsalt used for many purposes in indusies. Which acid is reacted with sodium hydroxide to get it.

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Oxalic acid

Citric acid

Acetic Acid

Carbonic acid

pH value of milk of magnesia.

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7

11

9

14

All acids have a taste.

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Sweet

Sour

Bitter

Salty

Base has a............. touch

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Soapy

Hard

Soury

Smooth

Acid used as a dehydrating agent.

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Nitric Acid

Phosphoric acid

Sulphuric acid

Hydrochloric acid

The king of chemiclas is

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KOH

HCl

NaCl

H2SO4

Sodium hydroxide solution in water will

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Turn blue litmus red

Give pink colour with phenolpthalein

Give red colour with methyl orange.

Not affect the phenolphthalein indicator

These salts are responsible for preventing heart attacks.

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Salts of sodium

Salts of calcium

Salt of potassium

Salt of Magnesium

The word alkaline has been taken form.

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