Chemistry-

General

Easy

Question

Electric furnaces are lined with magnesia because

(a) It is not affected by acids
It gives oxygen on heating
(c) It melts at very high temperature
It has no effect of electricity

The correct answer is: (c) It melts at very high temperature

When lime stone is heated strongly, it gives off $C O subscript 2 end subscript$ . In metallurgy this process is known as

Chemistry-General

General

Chemistry-

Important ore of Mg is

Important ore of Mg is
Chemistry-General

General
Chemistry-
The most important ore of tin is
The most important ore of tin is
Chemistry-General
General
Chemistry-
The principal ores of silver are argentite, horn silver and pyrargyrite. Their formula respectively are
The principal ores of silver are argentite, horn silver and pyrargyrite. Their formula respectively are
Chemistry-General
General
Chemistry-
Indicate the mineral from which copper is manufactured
Indicate the mineral from which copper is manufactured
Chemistry-General
General
Chemistry-
The most abundant metal in the earth crust is
The most abundant metal in the earth crust is
Chemistry-General

Have a query? Ask a Tutor!!

Can’t find what you’re looking for?

Electric furnaces are lined with magnesia because

(a) It is not affected by acids It gives oxygen on heating (c) It melts at very high temperature It has no effect of electricity

The correct answer is: (c) It melts at very high temperature

Related Questions to study

When lime stone is heated strongly, it gives off . In metallurgy this process is known as

When lime stone is heated strongly, it gives off . In metallurgy this process is known as

A substance which reacts with gangue to form fusible material is called

A substance which reacts with gangue to form fusible material is called

Which is not basic flux

Which is not basic flux

Heating of pyrites in air for oxidation of sulphur is called

Heating of pyrites in air for oxidation of sulphur is called

Roasting is generally done in case of the following

Roasting is generally done in case of the following

Main function of roasting is

Main function of roasting is

Refractory materials are generally used in furnaces because

Refractory materials are generally used in furnaces because

Which of the following ore is best concentrated by froth-flotation method

Which of the following ore is best concentrated by froth-flotation method

Sulphide ores are generally concentrated by

Sulphide ores are generally concentrated by

Which of the following is a carbonate ore

Which of the following is a carbonate ore

Important ore of Mg is

Important ore of Mg isChemistry-General

The most important ore of tin is

The most important ore of tin is

The principal ores of silver are argentite, horn silver and pyrargyrite. Their formula respectively are

The principal ores of silver are argentite, horn silver and pyrargyrite. Their formula respectively are

Indicate the mineral from which copper is manufactured

Indicate the mineral from which copper is manufactured

The most abundant metal in the earth crust is

The most abundant metal in the earth crust is

With Turito Academy.

With Turito Foundation.

Get an Expert Advice From Turito.

Turito Academy

With Turito Academy.

Test Prep

With Turito Foundation.

Courses

Quick Links

(a) It is not affected by acids
It gives oxygen on heating
(c) It melts at very high temperature
It has no effect of electricity

When lime stone is heated strongly, it gives off $C O subscript 2 end subscript$ . In metallurgy this process is known as

When lime stone is heated strongly, it gives off $C O subscript 2 end subscript$ . In metallurgy this process is known as

Important ore of Mg is
Chemistry-General