Question # 1

Which one of the following elements burns in air to form an oxide which, when shaken with water, give a solution with a pH greater than 7.

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Carbon

Magnesium

sulphur

Hydrogen

Transition elements are those

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Which becomes before uranium

Which becomes after uranium

Which are prepared artificially

Which are in between s-block and p - block elements

In which one of the following sets do all three particles have same number of total electrone

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F- ,Cl-,Br-

Li+ , Na+ , K+

N^--3, O-2, F-,

Na+, Mg+2, K+

Which oxide is more basic in nature.

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Beo

MgO

CaO

BaO

Which property of hydrogen not resemble to alkali metals.

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Electronic configuration

Oxidation state

Reaction with halogen

Metallic nature

Across a period from left to right in the periodic table, the melting and boiling point.

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Decrease

Increase

Remain constant

First increase upto the middle of period and then decrease

Which the correct statement

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Cl^-is smaller than Cl atom

Cl^-(Ion) and Cl (atom) are equal in size

Na⁺is smaller than Na atom

Na⁺is larger than Na atom

Which hydride is intermediate in nature.

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NaH

BeH2

NH3

HCl

Which of the following has highest M.P

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Aluminium

Silicon

Phosphorus

Sulphur

Elements of Groups IIA are called

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Alkali metals

Alkaline earth metals

Coinage metals

Halogens

The basis of modern periodic table is

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Electron affinity

Atomic mass

Ionization Potential

Atomic number

Which one of the following sets has coinage metaals is it.

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Cu, Hg, Au

Cu, Ag, Au

Ag, Au, Hg

Cu, Fe, Au

Which element has lowest melting point

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Beryllium

Magnesium

Calcium

Barium

Fluorine is in group VIIA of periodic table. Its chemistry will most closely resembles that of.

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Argon

Boron

Iodine

Sulphur

Hydrogen resembles in properties with

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IA, IV A and VII A elements

III A, IV A and V A elements

II A, IV A and VI A elements

II A, III A and VII A elements

Which class of elements shows law value of first ionization potential.

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Alkali metals

Alkaline earth metals

Halogens

Noble gases

Which of the following the highest hydration energy

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Li⁺

Na⁺

K⁺

Mg⁺⁺

Mark the correct statement.

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Na+ is smaller than Na atom

Na+ is large than Na atom

Cl- is smaller than Cl atom

cl- and Cl are equal in size

The first ionization energy of Na, Mg, Al and Si are in theorder of.

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Na < Mg < Al < Si

Na > Mg> Al> Si

Na > Mg< Al< Si

Na< Mg> Al< Si

Which of the following are alkaline earth metals?

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Be, Mg, Ca

Li, Na, K

Fe, CO, Ni

B, Al, Ga

Number of elements in the first period of the periodic table is

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2

8

14

18

The oxides of metal sare generally

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Acidic

Basic

Neutral

Amphoteric

Which of the following statement is correct

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Na atom is smaller than Na⁺

Na atom is larger than K atom

F atom is smaller than F^-

F atom is larger than F^-

Which one of the following oxides is amphoteric in nature.

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MgO

Na2O

SO2

ZnO

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Chemistry Fsc Part 2 Chapter 1 Online Test MCQs With Answers

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