Q:

In addition to nitric acid, another acid which may render iron passive is

A) acetic acid	B) oxalic acid
C) chromic acid	D) citric acid

Answer & Explanation Answer: C) chromic acid

Explanation:

Passivity of iron is due to formation of an extremely thin and impervious film of ferrosoferric oxide $[F e_{3} (O_{4})]$ on the surface of iron. Chromic acid, being a powerful oxidising agent (like nitric acid ) renders iron passive.

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Filed Under: Chemistry

2 3764

Q:

The most imposing of all the pyramids is the Great Pyramid at Gizeh near Cairo, was built about 2650 B.C by the ____ of the Old kingdom.

A) Pharaoh Cheops (Khufu)	B) King Tutankhamen
C) Hammunrabi	D) None of these

Answer & Explanation Answer: A) Pharaoh Cheops (Khufu)

Explanation:

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Filed Under: World History

0 3761

Q:

Which institution releases the ‘India Innovation Index’?

A) DRDO	B) ISRO
C) RBI	D) NITI Aayog

Answer & Explanation Answer: D) NITI Aayog

Explanation:

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Filed Under: General Awareness
Exam Prep: Bank Exams

0 3761

Q:

How would you free the memory allocated by the following program?

#include "alloc.h"

#define MAXROW 3

#define MAXCOL 4

main()

{

int **p, i;

p = (int **) malloc (MAXROW * sizeof (int *));

for ( i = 0; i < MAXROW ; i++)

p[i] = (int *) malloc (MAXCOL * sizeof (int ));

}

Answer

for ( i=0; i < MAXROW ; i++)

free (p[i]);

free (p);

Workspace

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Subject: Programming

0 3760

Q:

What is amodem connected to?

A) processor	B) mother board
C) printer	D) phone line

Answer & Explanation Answer: D) phone line

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams
Job Role: Bank Clerk

14 3759

Q:

Antimony is

A) metal	B) non metal
C) non metaloid	D) metalloid

Answer & Explanation Answer: D) metalloid

Explanation:

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Filed Under: Chemistry

3 3758

Q:

' Ashoka Chakra ' is awarded for

A) Outstanding contribution to literature	B) Gallantry by children
C) Acts of gallantry in the presence of the enemy	D) Acts most conspicuous bravery of self saccrifice on land, air or sea but not in the presence of the enemy

Answer & Explanation Answer: D) Acts most conspicuous bravery of self saccrifice on land, air or sea but not in the presence of the enemy

Explanation:

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Filed Under: Honours and Awards

3 3758

Q:

Banaue Rice Terraces in Ifugao is located in which country?

A) Burma	B) Brunei
C) Philippines	D) India

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