Question # 1

Which of he following gases is used in he cigarette lighters?

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Butane

methane

Propane

radon

The nuclear particles that are assumed to hold nucleons together are

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Electrons

Positrons

Neutrons

Mesons

In making the saffron spice, which on one of the following pars of the plant is used

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Leaf

Petal

Sepal

Stigma

Which vitamin is known as skin food?

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Vitamin B

Vitamin C

Vitamin A

Vitamin D

Germanium possesses-

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Tow valence electrons

Three valence electrons

Four valence electrons

Five valence electrons

Which country' people used more Internets?

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America

Japan

India

China

Which vitamin assists in formation of antibodies and red blood cells

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Vitamin B-6

Vitamin B-9

Vitamin B-2

Vitamin B-7

What is the source of the electric energy in an artificial satellite?

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Nuclear reactor

A dynamo

A thermopile

Solar cells

O₂ reieased in the process of photosynthesis comes from

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Co₂

Water

Sugar

Pyruvic

In the world of computers, what is bus width?

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The number of pains in a computer port

The number of bits that can be sent to a CPU simultaneously

Both a & b

None of the above

Thermit welding is a form of:

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Fusion welding

Gas welding

Resistance

Arc welding

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