Question # 1

Metals can form ions carrying carges.

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Uni positive

Di positive

Tri postive

All of these

How many electrons are involved in the formation of signle covalent bond

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One

Two

Three

Four

To Identify the concentration of a particular solution through titration is and application of.

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astrochemistry

analytical chemistry

geochemistry

Organic chemistry

A substance whcih can behave as an acid as well as a base is called

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Amphoteric specie

Acid

Base

Neutral specie

Which of the following bond s is expected to b the weakest.

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Cl-Cl^-

C-C

F-F

O -O

Which type of reactions speed up gradully?

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Decomposition reaction

Forward reaction

Reverse reactions

Irreversibel reactions

Why has isotopes not been shown int he periodic table.

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Isotopes do not show periodic behavior

Periodic tble cannot accomodate a large number of isotopes of different elements

All the isotops have same atomic number so there is no need to give them separate places

Someof the isotopes are unstble and they give rise to different elements.

How many elements are present in 7th period.

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2

8

18

23

Metals posses.

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Ionic bond

Covalent bond

Co-ordinate covalent

Metallic bond

Alkalis react with ammonium salts to librate.

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CO2

SO2

H2

NH3

How many atom of carbon are present in one molecule of glucose.

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11

22

12

6

Number of neurtons in ²⁷M₁₃are

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13

14

27

15

Concentratin of reactants and product at equilibrium remains unchanged if

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Concentration of any reactant or product is not changed

Temperaure of the reation is not changed

Pressure or volume of the system is not changed

All of the above are observed

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