Question # 1

How many oxygen atoms are present in onw molecule of Mg(HCO3)2

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2

4

6

8

The word alkaline has been taken form.

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Greek

Latin

Arabic

English

Genetically modified organisms are used to produce.

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Insulin

Vaccines

Protein

Insulin and Vaccines

Carbon dioxide is removed from the body through.

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Blood

Kidney

Lungs

Heart

Baking soda , sodium chloride, calcium carbonate and glycerin are usually used for making homemade.

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Bioplastic

Detergent

Tooth paste

Hardwash

Exothermic reaction ae those reactions durng which heat is.

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Given out

Remain same

Absorbed

Used

.............. is a material whihc contains weaked or kille dpathogens.

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Protein

Vaccine

Insuline

Pancreas

Which of the following is magnetic substance.

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Glass

Marble

Gold

Cobalt

The king of chemiclas is

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KOH

HCl

NaCl

H2SO4

An instrument that helps in seeing heavenly objects.

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microscope

Kaleidoscope

Telescope

Periscope

Some metals can be pulled into wire This is because metals are.

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Ductile

Solid

Hard

Brilliant

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General Science 8th Class English Medium Online Test MCQs With Answers

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