Advertisements
Advertisements
प्रश्न
Give the appropriate term defined by the statements given below :
The substance that releases hydronium ion as the only positive ion when dissolved in water.
Advertisements
उत्तर
Acid
APPEARS IN
संबंधित प्रश्न
Nitric acid turns red litmus blue.
Write a balanced chemical equation for the reaction of sodium hydroxide solution with iron (III) chloride solution
Which gas is usually liberated when an acid reacts with a metal? Illustrate with an example. How will you test for the presence of this gas?
By squeezing lemon on a piece of rock the gas liberated turned lime water milky. which compound is present in the rock?
The label on the bottle of chemical is spoiled. How will you find whether the chemical is acidic or not?
Choosing the correct words given in brackets, complete the sentence given below:
An acid is a compound which, when dissolved in water gives ______ ( hydronium / hydroxide) ions as the only ______ (positive/negative) ions.
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.
Write the important uses of hydrochloric acid and sulphuric acids.
What are acids?
Explain the following:
\[\ce{H3PO3}\] is not a tribasic acid.
