Question # 1

Which meal is least reactive

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Li

NaOH

K

Pb

Magnesium metal does not burn in the jar of

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N2

O2

Ne

N2 and O2

Which oxide is amphoteric in nature.

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BeO

MgO

CaO

BaO

The oxides of beryllium are

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Basicity

Rancidity

Amphoteric

none of all

Which is insoluble in water.

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BeSO4

MgSO4

CaSO4

BaSO4

------------- does not belong to Alkaline-Earth metals

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Be

Ra

Ba

Rn

Sulphur is essential constituent for plants. Which is not role of sulphur

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Chlorophyll development

Development of root system

Constituents of some proteins

Increase transpiration force

Which of the following sulphates is not soluble in water.

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Sodium sulphate

Potassium sulphate

Zinc sulphate

Barium Sulphate

The Milk of magnesia is used for the treatment of

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Basicity

Rancidity

Acidity

Jaundance

The mineral CaSO₄.2H₂O has the general name

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Dolomite

Gypsum

Calcite

Epsom Salt

Which gas is evolved when CO2 is passed through KO2.

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O2

CO

O3

None of these

Which on eof the following alkaline earth metal form peroxide when heated with oxygen at 600 ^oC

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Magnesium

Calcium

Strontium

Barium

Which element reacts with alkali and H2 gas is produced.

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Be

Mg

Ca

Sr

The word alkali is derived from which language

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Arabic

Greek

French

German

Chile saltpeter has the chemical formal

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NaNO₃

KNO₂

Na₂B₄O₇

Na₂CO₃.H₂O

Which one is not use of lime

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Extraction of metals

Ceramic industry

Preparation of bleaching powder

Preparation of gypsum

Which is the least reactive of all the alkali metals

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Li

Na

K

Cs

The most metallic elements from the following is

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Arsenic

Oxygen

Antimony

Bismuth

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Chemistry Fsc Part 2 Chapter 2 Online Test MCQs With Answers

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