Acids, bases and salt
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With which substance should chlorine be treated to get bleaching powder?
By Deepak Rock, 4 years ago
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327
State the common and chemical names of the compound formed when plaster of Paris is mixed ...
By Deepak Rock, 4 years ago
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325
What would be the colour of litmus in a solution of sodium carbonate?
By Deepak Rock, 4 years ago
replies 1
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346
Which of the following salt has a blue colour and why? CuSO4.5H2O or CuSO4
By Deepak Rock, 4 years ago
replies 1
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389
State whether the following statement is true or false: Copper sulphate crystals are alway...
By Deepak Rock, 4 years ago
replies 1
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249
Write the chemical formula of (i) soda ash, and (ii) sodium carbonate decahydrate.
By Deepak Rock, 4 years ago
replies 1
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302
What is the chemical formula of (a) baking soda, and (b) washing soda?
By Deepak Rock, 4 years ago
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148
A group of students measured the pH of some substances they found in their homes. Their re...
By Deepak Rock, 4 years ago
replies 1
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125
Explain why the pH in a person’s mouth becomes lower after each meal. (b) What damage coul...
By Deepak Rock, 4 years ago
replies 1
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