Emerald is formed of

Report

Report an issue

Name

Email

Message

Submit

Cancel

RRB TC CC Exam (Bangalore) 2006 click here to view all questions

Emerald is formed of

ABerilium

BChromium

CAluminium

DMagnesium

Akilesh Kharvi ? Nov 14 '2016 at 19:56

Answer is : Chromium

Emerald is a compound made of Beryllium, Aluminum, Silicon and Oxygen with the formula, Be3Al2(SiO3)6. The green color of Emerald is due to traces of Chromium present in them.

View Answer

Discuss

The bleaching agent of the colour of the clothes is

Report

Report an issue

Name

Email

Message

Submit

Cancel

RRB TC CC Exam (Bangalore) 2006 click here to view all questions

The bleaching agent of the colour of the clothes is-

ASodium chloride

BSulphur dioxide

CCarbon dioxide

DSulphur trioxide

No answer description available for this question. Let us discuss.

View Answer

Discuss

Oxidation is a process which involves

Report

Report an issue

Name

Email

Message

Submit

Cancel

RRB TC CC Exam (Bangalore) 2006 click here to view all questions

Oxidation is a process which involves-

Athe loss of electrons

Bthe gain of hydrogen

Cthe gain of electrons

Dno change in electrons

No answer description available for this question. Let us discuss.

View Answer

Discuss

'Fixation of nitrogen' implies

Report

Report an issue

Name

Email

Message

Submit

Cancel

RRB TC CC Exam (Bangalore) 2006 click here to view all questions

Fixation of nitrogen' implies-

Athe liquefication of nitrogen

Bthe conversion of atmospheric nitrogen into useful compounds

Cthe conversion of nitrogen into amines

Dthe solidification of nitrogen gas of the atmosphere

Akilesh Kharvi ? Nov 14 '2016 at 19:48

Answer is : the conversion of atmospheric nitrogen into useful compounds

nitrogen fixation

1. The conversion of atmospheric nitrogen into compounds, such as ammonia, by natural agencies or various industrial processes.

2. The conversion by certain soil microorganisms, such as rhizobia, of atmospheric nitrogen into compounds that plants and other organisms can assimilate.

View Answer

Discuss

Polythene is industrially prepared by the polymerisation of

Report

Report an issue

Name

Email

Message

Submit

Cancel

RRB TC CC Exam (Bangalore) 2006 click here to view all questions

Polythene is industrially prepared by the polymerisation of

AMethane

BAcetylene

CEthylene

DEthane

Akilesh Kharvi ? Nov 14 '2016 at 19:46

Answer is : Ethylene

Polyethylene (abbreviated PE) or polyethene (IUPAC name polyethene or poly(methylene)) is the most common plastic.

Reference: https://en.wikipedia.org/wiki/Polyethylene

View Answer

Discuss