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प्रश्न
Write True or False against the following statement.
Antibiotics are used as preservatives:
विकल्प
True
False
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उत्तर
False
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संबंधित प्रश्न
Give two examples of the following substance.
Food preservatives
Give two examples of the following substance.
Fuel
Name the scientists who discovered the following:
Atoms
Name the scientists who discovered the following:
Elements
Fill in the blank:
Inert gases were discovered by ___________
Write True or False against the following statement.
D.D.T. is an important fertiliser:
Choose the correct alternative from the choices given below for the following statement:
The chemicals prescribed by a doctor in the treatment of infectious diseases are called
State the contributions of Dimitri Mendeleev
Differentiate between natural fibres & synthetic fibres.
Give reasons for the following
Titanium dioxide is an important ingredient in cosmetics.
