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प्रश्न
You are supplied with five solutions: A, B, C, D and E with pH values as follows: A = 1.8, B = 7, C = 8.5, D = 13, and E = 5
Classify these solutions as neutral, slightly or strongly acidic and slightly or strongly alkaline.
Which solution would be most likely to liberate hydrogen with powdered zinc metal. Give a word equation for each reaction.
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उत्तर
A = Strongly acidic
B = neutral
C = Slightly alkaline
D = Strongly alkaline
E = Slightly acidic
Solution (A) would liberate hydrogen with powdered zinc metal.
\[\ce{Zinc + Acid -> Salt of zinc + Hydrogen}\]
संबंधित प्रश्न
Name the gas evolved when dilute HCl reacts with sodium hydrogencarbonate. How is it recognised?
Name one natural source of the following acids:
Citric acid
What is meant by strong acids and weak acids? Classify the following into strong acids and weak acids:
HCI, CH3 COOH, H2 SO 4, HNO3, H2 CO3 , H2 SO3
Write the neutralisation reaction between acids and bases in terms of the ions involved.
What do you understand by the term, acid?
Give four examples of preparation of acids by synthesis.
Define Acid.
The word sour refers to ______ in Latin.
Acids are corrosive in nature.
Lemon juice and vinegar taste ______ because they contain ______.
