Deficiency of fluoride leads to which one of the following health problems?
Tooth caries
Which one of the following is an amphoteric oxide?
Vinegar is
Dolomite powder is applied in some agricultural lands. The purpose of applying it is to
How many moles of CO can be obtained by reacting 2.0 mole of CH 4, with 2.0 mole of O 2, according to the equation given below?
\(C{H_4}\left( g \right) + \frac{1}{2}{O_2} \to CO + 2{H_2}\)
The molecular mass of sulphuric acid is 98. If 49 g of the acid is dissolved in water to make one litre of solution, what will be the strength of the acid?
In paper manufacturing, degumming of the raw material is done using
Stinging hair of nettle leaves inject fluid in the human body causing burning pain. The fluid is
Which one of the following naturally occurring acids is found in abundance in tomato ?
Match List-I with List-II and select the correct answer using the code given below the Lists:
List - I (Compound) | List-II (Use) |
| A. Boric acid | 1. Antiseptic |
| B. Citric acid | 2. Food Preservative |
| C. Magnesium hydroxide | 3. Antacid |
| D. Acetic acid | 4. Pickle |
Code:
Which one of the following acids is produced in human stomach?
Which property helps in the separation of a homogeneous mixture into its constituents?
Acids are formed when-