Question # 1

Elements of group ll-A are called

Choose an answer

f-block elements

s-block elements

p-block elements

d-block elements

Which noble gas is used in mixture used for breathing by divers?

Choose an answer

Ge

Ar

Kr

He

Which compound gives carbon when heated with conc. H2SO4.

Choose an answer

Starch

Ethyl alcohol

Oxalic acid

Formic acid

What is the formula of cryolite?

Choose an answer

Al2O3.2H2O

Na2B4O7 .10 H2O

Na3AIF6

Ca2B6O11. 5H2O

How magnesium reacts with water?

Choose an answer

In frozen ice water

With cold water

In with steam

In hot state

Which element differs from rest of elements of its group?

Choose an answer

Ba

Mg

Ca

Be

_{What is name of hydrated variety of quartz?}

Choose an answer

Rose quartz

Smokey quartz

Silica

Opal

Fluorine is largely used in

Choose an answer

rocket fuels

making Teflon

making freon

All

What is the formula of magnesite?

Choose an answer

PbS

MgSO4. 7H2O

MgCO3

CaCO3

Plaster of Paris is obtained from

Choose an answer

marble

bauxite

gypsum

limestone

Which of the following are not known to form compounds in more than one oxidation state?

Choose an answer

Transition metals

Halogens

Alkali metals

Noble gases

More Classes

Other Links

MDCAT Chemistry Chapter 10 Chemical bonding 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