What is caustic soda?
Ammonium hydroxide
Magnesium hydroxide
Sodium hydroxide
Potassium hydroxide
The acid contained in vinegar.
Acetic acid
Tartaric acid
Oxalic acid
Citric acid
In aqua regia, hydrochloric acid and nitric acid are in the ratio:
3:1
1:3
1:4
4:1
Magic ink can be prepared by using:
Baking soda solution
Caustic soda solution
Caustic potash solution
Milk of magnesia solution
What is added to soil to make it suitable for plant growth?.
Calcium hydroxide
Aluminium hydroxide
In methyl orange solution, bases become:
Colourless
Pink
Orange
Yellow
If you put phenolphthalein solution in an acid, it will turn
Red
Blue
On adding equal quantities of hydrochloric acid and sodium hydroxide, what will be the nature of the resultant solution?
Basic
Acidic
Neutral
None of the above
The components of aqua regia.
Nitric acid and hydrochloric acid
Nitric acid and sulphuric acid
hydrochloric acid and sulphuric acid
sulphuric acid and citric acid
Which is an important antacid.
