List of top Science Questions on Acids, Bases And Salts

Write chemical equations to show what happens when an acid reacts with a:
Write chemical equations to show what happens when an acid reacts with a:
(i) Metal
(ii) Base
(iii) Carbonate
Write the name of the main product formed in each case
State the chemical property in each case on which the following uses of baking soda are based upon:
(i) As an antacid
(ii) As a constituent in making baking powder
(iii) In soda-acid fire extinguishers
The chemical formula of bleaching powder is
The ratio of HCl and HNO$_3$ in aqua regia is
What are acids? Give any two examples. Explain the effect of an acid on an indicator.
What type of salt is Pb(OH)NO$_3$?
The ratio of nitrogen and hydrogen atoms in one molecule of ammonia is
Which of the following is a synthetic indicator?
Which substance turns red litmus paper blue in aqueous solution?
What is an indicator ? Write the name of an indicator.
Why is an aqueous solution of sodium carbonate alkaline ?
In which of the following is tartaric acid found ?
What is the chemical name of slaked lime ?
Which of the following is not an olfactory indicator ?
Which acid is found in ant sting?
An aqueous solution of an acid conducts electricity because acid in water
(ii) Write chemical reaction for manufacture of bleaching powder and its two applications.
You have three aqueous solutions A, B and C as given below:
A - Potassium nitrate
B - Ammonium chloride
C - Sodium carbonate
The ascending order of the pH of these solutions is:
The acid present in nettle leaves is:
A few drops of turmeric solution are added to a colorless liquid. If the liquid turns red in color, the liquid could be:
A certain aqueous solution turns blue litmus red. On adding an excess of which of the following solutions will this change be reversed?
Lemon juice
Magnesium hydroxide
Vinegar
Calcium sulphate
Which of the following will turn phenolphthalein pink?
CH$_3$COOH
Ca(OH)$_2$
HCl
NaOH
Name the acids present in:
Tomato
Tamarind (imli)
Define crystalline water.
Why is a basic solution used to treat a bee sting?