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Products of a neutralisation reaction are always

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Important Questions on Acids, Bases and Salts

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7th CBSE
IMPORTANT
NCERT Exemplar Science - Class 7>Chapter 5 - Acids, Bases and Salts>MULTIPLE CHOICE QUESTIONS>Q 3
Turmeric is a natural indicator. On adding its paste to acid and base separately, which colours would be observed?
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7th CBSE
IMPORTANT
NCERT Exemplar Science - Class 7>Chapter 5 - Acids, Bases and Salts>MULTIPLE CHOICE QUESTIONS>Q 4
Phenolphthalein is a synthetic indicator, and its colours in acidic and basic solutions respectively are
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7th CBSE
IMPORTANT
NCERT Exemplar Science - Class 7>Chapter 5 - Acids, Bases and Salts>MULTIPLE CHOICE QUESTIONS>Q 5
When the soil is too basic, plants do not grow well in it. To improve its quality what must be added to the soil?
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7th CBSE
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NCERT Exemplar Science - Class 7>Chapter 5 - Acids, Bases and Salts>MULTIPLE CHOICE QUESTIONS>Q 6
‘Litmus’, a natural dye is an extract of which of the following?
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7th CBSE
IMPORTANT
NCERT Exemplar Science - Class 7>Chapter 5 - Acids, Bases and Salts>MULTIPLE CHOICE QUESTIONS>Q 7
Neutralisation reaction is a
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7th CBSE
IMPORTANT
NCERT Exemplar Science - Class 7>Chapter 5 - Acids, Bases and Salts>MULTIPLE CHOICE QUESTIONS>Q 8
A solution changes the colour of turmeric indicator from yellow to red. The solution is
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7th CBSE
IMPORTANT
NCERT Exemplar Science - Class 7>Chapter 5 - Acids, Bases and Salts>MULTIPLE CHOICE QUESTIONS>Q 9
Which of the following set of substances contain acids?
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7th CBSE
IMPORTANT
NCERT Exemplar Science - Class 7>Chapter 5 - Acids, Bases and Salts>MULTIPLE CHOICE QUESTIONS>Q 10
On adding phenolphthalein indicator to a colourless solution, no change is observed. What is the nature of this solution?