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Acids, bases and salt

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1
131
A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washin...
By Deepak Rock, 4 years ago
replies 1
0
1
191
On adding dilute hydrochloric acid to copper oxide powder, the solution formed is blue-gre...
By Deepak Rock, 4 years ago
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0
1
120
If someone is suffering from the problem of acidity after overeating, which of the followi...
By Deepak Rock, 4 years ago
replies 1
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238
When a piece of limestone reacts with dilute HCl, a gas X is produced. When gas X is passe...
By Deepak Rock, 4 years ago
replies 1
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1
246
Which element is common to all acids? (b) Compounds such as alcohol and glucose also conta...
By Deepak Rock, 4 years ago
replies 1
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1
133
With the help of labelled diagrams, describe an activity to show that acids produce ions o...
By Deepak Rock, 4 years ago
replies 1
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186
What happens when an acid reacts with a metal carbonate? Explain with the help of an examp...
By Deepak Rock, 4 years ago
replies 1
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1
157
Why do acids not show acidic behaviour in the absence of water? (b) Why does an aqueous so...
By Deepak Rock, 4 years ago
replies 1
0
1
298
What is produced if an acid is added to a base? (b) Why does dry HCl gas not change the co...
By Deepak Rock, 4 years ago
replies 1
0
1
129
Why should curd and other sour foodstuffs (like lemon juice, etc.) not be kept in metal co...
By Deepak Rock, 4 years ago
replies 1
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