Advertisements
Advertisements
Question
Which non-metal is used to disinfect water?
Solution
Chlorine which is a non-metal, is used in water purification plants because chlorine has ‘ the ability to kill germs.
APPEARS IN
RELATED QUESTIONS
Answer the following question.
List in tabular from three chemical properties on the basis of which we can differentiate between a metal and a non-metal.
The electronic configurations of three elements X, Y and Z are X - 2, 8; Y - 2, 8, 7 and Z - 2, 8, 2. Which of the following is correct?
What happens when calcium is treated with water?
- It does not react with water
- It reacts violently with water
- It reacts less violently with water
- Bubbles of hydrogen gas formed stick to the surface of calcium
Galvanisation is a method of protecting iron from rusting by coating with a thin layer of
Generally, non-metals are not conductors of electricity. Which of the following is a good conductor of electricity?
Which of the following can undergo a chemical reaction?
A non-metal X exists in two different forms Y and Z. Y is the hardest natural substance, whereas Z is a good conductor of electricity. Identify X, Y and Z.
Generally metallic oxides are basic and non-metallic oxides are acidic in nature. Solution of which of the following oxides in water will change the colour of blue litmus to red?
A purple coloured non-metal forms a brown solution in alcohol which is applied on wounds as an antiseptic. Name the non-metal.