Advertisements
Advertisements
प्रश्न
Name an acid used to remove ink spots.
उत्तर
Oxalic acid
APPEARS IN
संबंधित प्रश्न
A solution turns red litmus blue, its pH is likely to be ______.
One of the following does not inject an acidic liquid into the skin through its sting. This is:
(a) honey bee
(b) ant
(c) wasp
(d) nettle leaf hair
Define an acid.
Define a base.
How is an acid prepared from a non metal and a base from a metal? Give equation.
The preparation of Lead sulphate from Lead carbonate is a two-step process. (Lead sulphate cannot be prepared by adding dilute Sulphuric acid to Lead carbonate.)
Write the equation for the reaction that will take place when this first step is carried out.
In acidic solutions blue litmus changes into ______ colour.
Vinu and Priyan take their lunch at school. Vinu eats lemon rice and Priyan eats curd rice. Both lemon rice and curd rice are sour in taste. What is the reason?
When an acidic solution is mixed with a basic solution, they _________ each other forming _________ and water.
Explain the following:
H3PO3 is not a tribasic acid.