Question # 1

Chemical bond teh forms between metallic and non-metallic atoms.

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Covalent

Ionic

Metalic

None of these

Which one of the following statements is correct.

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1 m = 1000 km

m/s is the unit of displacement.

N is the unit of force

1 h = 60 s

Wave are of .............. types.

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Two

Three

Four

Five

Negatively charged atom or grop of atoms is called.

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Proton

Electron

Anion

Cation

Speed of sound in water is

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1000 ms-1

1500 ms-1

900 ms-1

2000 ms-1

Value of g on moon is

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1.6 N/kg

16 N /kg

10 N/g

1 N/kg

The maximum numebr of electrons that N-Shell accomodate are.

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2

8

18

32

When a body tissue is damaged or injured, it causes.

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Inflammation

Infection

Pathogen

Immunity

Which is not used in maing mango pickle.

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Mango slices

Table salt

Honey

Turmeric powder

A molecule consists of two or more

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Compounds

Atoms

Formulae

Element

Blue and ..... lifht is absorbed by chlorophyll.

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Yellow

Orange

Red

White

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