Q:

Which gas is used for the preparation of Soda water?

A) Carbon Dioxide	B) Oxygen
C) Hydrogen	D) Ammonia

Answer & Explanation Answer: A) Carbon Dioxide

Explanation:

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Q:

Answer the following Program

#define CHARSIZE 8

#define MASK(y) (1 << y % CHARSIZE)

#define BITSLOT (y) (y / CHARSIZE)

#define SET(x,y) ( x[BITSLOT(y)] = MASK(y) )

#define TEST(x,y) ( x[BITSLOT(y)] & MASK(y) )

#define NUMSLOTS(n) ((n + CHARSIZE - 1) / CHARSIZE)

Give the above macros how would you

1. declare an array arr of 50 bits

2. put the 20th bit on

3. test whether the 40th bit is on or off

Answer

1. char arr[NUMSLOTS(50)];

2. SET (arr, 20);

3. if (TEST (arr, 40))

Workspace

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Subject: Programming

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Q:

Graphite is a good conductor of electricity.

A) TRUE

B) FALSE

Answer & Explanation Answer: A) TRUE

Explanation:

Graphite is a good conductor of electricity as it contains free electrons to move through the structure of the graphite.

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Subject: Physics
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Q:

Foliated rocks are distinguished by

A) layers	B) minerals
C) colors	D) names

Answer & Explanation Answer: A) layers

Explanation:

Foliated rocks are distinguished by layers.

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Q:

Which has the lowest freezing point?

A) Mercury	B) Helium
C) Cesium	D) Aluminium

Answer & Explanation Answer: B) Helium

Explanation:

Helium has the lowest freezing point of all the elements. When coming to metals, mercury has the lowest freezing point of all the metals.

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Q:

The relationship between a cathode and an anode involves

A) Electrons	B) Neutrons
C) Protons	D) Diodes

Answer & Explanation Answer: A) Electrons

Explanation:

The relationship between a cathode and an anode involves the transfer of electric charge between them. The cathode is the negative terminal on the battery, which has zero electric potential. The anode is the positive terminal on the battery and has the battery's maximum electric potential. Current flows from the battery's anode (positive terminal) to the cathode (negative terminal). In electron flow, electrons leave the negative side of the battery and move towards the positive side of the battery.

Hence, The relationship between a cathode and an anode involves Electrons.

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Q:

The reactivity of an atom arises from

A) the existence of unpaired electrons in the valence shell	B) the potential energy of the valence shell
C) the average distance of the outermost electron shell from the nucleus	D) the sum of the potential energies of all the electron shells

Answer & Explanation Answer: A) the existence of unpaired electrons in the valence shell

Explanation:

The reactivity of an atom arises from the existence of unpaired electrons in the valence shell.

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Q:

How To improve system redundancy using its grid architecture, where in the XIV System can a partition be mirrored?

A) on same disk in different modules	B) on disks in other modules
C) on different disks in the same module	D) on same disk, in same module, and in different modules

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