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Question
Lemon juice and vinegar taste ______ because they contain ______.
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Solution
Lemon juice and vinegar taste sour because they contain acids.
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RELATED QUESTIONS
Which gas is usually liberated when an acid reacts with a metal? How will you test for the presence of this gas?
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(c) an alkaline liquid
(d) an alcohol
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A hydrogen containing compound which is not an acid.
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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 |
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______ |
|
Insoluble base + ______ |
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|
Active metal + Acid (dil) |
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______ |
|
Soluble salt solution (A) + Soluble salt solution (B) |
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______ |
|
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|
Chlorides/nitrates + Acid (conc.) |
______ + ______ |
Decomposition of chlorides and nitrates |
Answer the following question.
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Fill in the cross word given in figure with the help of the clues provided.
Across
(2) The solution which does not change the colour of either red or blue litmus.
(4) Phenolphthalein gives pink colour in this type of solution.
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Down
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(3) It is a natural indicator and gives pink colour in basic solution.
(5) Nature of ant’s sting.
(6) It is responsible for the increase in temperature during a neutralisation reaction.
Complete the following equation.
Mg+ ______ → ______ + H2.
