Identify incorrect statement about non-metals :
Non-metals are essential only for some living beings like us
Non-metals such as oxygen, carbon, hydrogen and nitrogen are essential for the survival of all living organisms, since they form the building blocks of the food eaten and the air breathed by every living being, not just by humans.
Chlorine, a non-metal, is used in the water purification process, so the statement about non-metals being used in water purification is correct.
Sulphur and phosphorus, both non-metals, are used in making crackers, so the statement about non-metals being used in crackers is correct.
Nitrogen and phosphorus compounds, which are made of non-metals, are widely used in fertilizers, so the statement about non-metals being used in fertilizers is correct.
Hence, the statement that non-metals are essential only for some living beings like us is the incorrect one, since non-metals are essential for all living beings.
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(A) Curd
(B) Vinegar
(C) Lime water
(D) Ant's sting
(E) Milk of magnesia
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Read the statements given below and choose the correct option.
Assertion : Salts, edible oils, vinegar, sugar, etc are common preservatives.
Reason : These enhance the flavour of food
Important Questions from Chemistry in Everyday Life
Which of the following is a greenhouse gas?
I. Methane
II. Nitrous oxide
The gas which turns lime water milky is:
Liquefied Petroleum Gas (LPG) is mainly a mixture of:
Among the following, the conducting form of carbon is
Which of the following is NOT a Fossil Fuel?
