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प्रश्न
Write the chemical name from the given formula.
H2SO4
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उत्तर
Sulphuric acid
संबंधित प्रश्न
Which chemical is injected into the skin of a person during an ant’s sting?
How can the effect of these stings be neutralised?
Bee sting contains ______.
Give the name and formula of two : Strong monobasic acids
Define a base.
Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions, respectively are ______.
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.
(7) Colour of blue litmus in lemon juice.
Down
(1) It is used to test whether a substance is acidic or basic.
(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.
Paheli observed that most of the fish in the pond of her village were gradually dying. She also observed that the waste of a factory in their village is flowing into the pond which probably caused the fish to die.
- Explain why the fish were dying.
- If the factory waste is acidic in nature, how can it be neutralised?
Non-metallic oxides are ______ in nature.
Complete the following equation.
HCl + ______ → NaCl + H2O
Name the acid present in lemon.
