Questions

Q:

Which compound forms a colored aqueous solution?

A) CrCl3 B) KBr
C) CaCl2 D) NaOH
 
Answer & Explanation Answer: A) CrCl3

Explanation:

Colored aqueous solutions are a characteristic of transition compounds.

The only transition compound in the above choices is CrCl3.

Cr is a transition element.

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Q:

GUI stands for

A) Graphical Universal Interface B) Graph Use Interface
C) Graphical Unique Interface D) Graphical User Interface
 
Answer & Explanation Answer: D) Graphical User Interface

Explanation:

GUI stands for Graphical User Interface.

 

A Graphical User Interface is a computer interface that allows users to interact with a device through graphical elements such as pictures and animations, as opposed to text-based commands.

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Q:

Name the new Business Area which Sahara India Parivar has entered into:

A) Software B) Cement
C) Advertising D) Travel & Tourism
 
Answer & Explanation Answer: D) Travel & Tourism

Explanation:
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Q:

Smallest of all the continents?

A) Asia B) Australia
C) Africa D) America
 
Answer & Explanation Answer: B) Australia

Explanation:

Australia is the smallest of all the continents

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Q:

" World Press Freedom Day " is observed on ?

A) May 1 B) May 2
C) May 3 D) May 4
 
Answer & Explanation Answer: C) May 3

Explanation:

World Press Freedom Day is observed on 3 May every year.

This year’s theme is “Critical Minds for Critical Times: Media’s role in advancing peaceful, just and inclusive societies”.

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Q:

The water readily available to plants for absorption by roots is

A) Gravitational water B) Rain water
C) Hygroscopic water D) Capillary water
 
Answer & Explanation Answer: D) Capillary water

Explanation:
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Filed Under: Biology
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Q:

When you travel in certain parts of India, you will  notice red soil. What is the main reason for this colour?

A) Abundance of magnesium B) Accumulated humus
C) Presence of ferric oxides D) Abundance of Phosphates
 
Answer & Explanation Answer: C) Presence of ferric oxides

Explanation:
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Q:

Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be

A) 2 B) 6
C) 5 D) 3
 
Answer & Explanation Answer: B) 6

Explanation:

Number of spectral lines from a state n to ground state is

 

                   n(n-1)/2 = 6

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Filed Under: Physics
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