Chemistry
Grade-10
Easy
Question
The chemical name of baking soda is
- Sodium bicarbonate
- Sodium Hydrogen carbonate
- Both A and B
- Sodium carbonate
Hint:
Sodium bicarbonate and sodium hydrogen carbonate is same.
The correct answer is: Both A and B
- Sodium bicarbonate and sodium hydrogen carbonate is same.
- The formula of sodium bicarbonate is NaHCO3.
- The chemical name of baking soda is both sodium bicarbonate and sodium hydrogen carbonate.
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State whether the following statements are true or false.
I. Bleaching powder is extensively used in the petroleum refining.
II. Sodium hydroxide on being exposed to air reacts with the CO2 present in the air to form sodium carbonate.
III. Sodium hydroxide can be used in the purification of bauxite (an aluminium ore) during the extraction process.
IV. Bleaching powder is acts as both oxidising as well as reducing agent due to presence of oxygen.
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Study the given figure carefully, which represents the decomposition of aqueous sodium chloride solution by passing electricity.
Identify the X, Y, P, Q and R in the below figure.
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