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प्रश्न
State whether the following statement is true or false. Correct the false statement.
All substances are either acidic or basic.
विकल्प
True
False
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उत्तर
This statement is False.
Explanation:
Substances can be acidic, basic or neutral
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संबंधित प्रश्न
Dorji has a few bottles of soft drink in his restaurant. But, unfortunately, these are not labelled. He has to serve the drinks on the demand of customers. One customer wants acidic drink, another wants basic and third one wants neutral drink. How will Dorji decide which drink is to be served to whom?
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
Give the names and formulae of two strong bases and two weak bases.
Write balanced equation to satisfy the following statement:
\[\ce{Acid + Active metal -> Salt + hydrogen}\]
Name the particles present in :
Weak electrolyte
Complete the following table and write one equation for each to justify the statement:
|
Reactants |
Products |
Method |
|
Soluble base + Acid (dil) |
Salt + water |
Neutralisation Titration |
|
Metal + Non-metal |
Salt (soluble/insoluble) |
______ |
|
Insoluble base + ______ |
Salt (soluble) + water |
______ |
|
Active metal + Acid (dil) |
______ + ______ |
______ |
|
Soluble salt solution (A) + Soluble salt solution (B) |
Precipitated salt + Soluble salt |
______ |
|
Carbonate/bicarbonate + Acid (dil) |
Salt + ______ + ______ |
Decomposition of carbonate |
|
Chlorides/nitrates + Acid (conc.) |
______ + ______ |
Decomposition of chlorides and nitrates |
Acid mixed with base forms ______.
Since metal carbonate and metal bicarbonate are basic, they react with acids to give salt and water with the liberation of ______.
Name the acid present in the given table.
The acid which contains four hydrogen atoms ______.
