Question # 1

Cement plaster is made by mixing plaster of paris with

Choose an answer

glue or oil

gypson

glycol

alum or borax

Which one of the following is not an alkali metal?

Choose an answer

Francium

Caesium

Rubidium

Radium

Arabic word "alkali" means:

Choose an answer

The ashes

the sour

The fragrant

Caustic

Which one o the following does not belong to alkaline earth metals?

Choose an answer

Be

Re

Ba

Rn

Carbonates of alkaline earth metals decomposes to respectgive metal

Choose an answer

Oxides

Nitrates

Sulphates

CO₂

I-A group elements are called:

Choose an answer

Alkali-metal

alkaline earth metals

Halogens

Chalocogens

Which oxide is insouluble

Choose an answer

Li₂O

Na₂O

K₂O

BaO

Which is insoluble carbonate?

Choose an answer

KCO₃

CaCO₃

Na₂CO₃

K₂CO₃

Cement plaster is made by mixing plaster of paris with:

Choose an answer

glue or oil

gypsom

glycol

alum or borax

Acidic soils are neutralized by adding:

Choose an answer

Plaster of paris

Brine

Lime

Milk of magnesia

s-block elements belong to groups

Choose an answer

I-A & II-A

III-A to VIII-A

I-B to X-B

Lanthanides

Chlorophyll contains in it

Choose an answer

Li

Na

Mg

Ca

Group VII-A elements are called:

Choose an answer

s-block elements

p-block elements

d-block elements

f-block elements

Which is plaster of paris?

Choose an answer

CaSO₄.H₂O

(CaSO₄)₂.H₂O

CaSO₄.2H₂O

CaSO₄.3H₂O

Chile saltpetre has the chemical formule

Choose an answer

NaNO₃

KNO₃

Na₂B₄O₇

Na₂CO₃.H₂O

Maximum shielding effect is observing in

Choose an answer

Li

Be

Mg

Ca

Alkali metals have electrons in s-orbital:

Choose an answer

one

two

three

Four

Which ion will have the maximum value of heat of hydration?

Choose an answer

Na⁺

Cs⁺

Ba⁺

Mg⁺²

Lime is often used as an agent:

Choose an answer

dehydrating

hydrating

oxidizing

reducing

Lime is often used as an agent

Choose an answer

dehydrating

hydrating

oxidizing

reducing

Gypsom added in cement is:

Choose an answer

1%

2%

3%

4%

The strong alkaline solution in water is of metal:

Choose an answer

Potassium

Sodium

Lithium

Magnesium

More Classes

Other Links

ECAT Chemistry Chapter 13 S-Block Elements Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer