Questions

Q:

Which of the following is an example of system software?

A) Microsoft word B) Calculator
C) Operating system D) RAM
 
Answer & Explanation Answer: C) Operating system

Explanation:

In a brief, the system software is the interface between the hardware and user applications. System software is a type of computer program that is designed to run a computer’s hardware and application programs.

 

Examples : OS, System utilities, BIOS like mouse, keyboard, hard disc, Device drivers, Assembler,...

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Q:

Harsha was defeated  by 

A) Sasanka B) King of Valabhi
C) Bhaskarvarman D) Pulkesin II
 
Answer & Explanation Answer: D) Pulkesin II

Explanation:
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Q:

Which team has won the ICC T20 World Cup 2014?

A) Sri Lanka B) India
C) Australia D) Pakistan
 
Answer & Explanation Answer: A) Sri Lanka

Explanation:
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Q:

Why are hydrocarbons insoluble in water?

Answer

We know that polar substances are soluble in polar solvents and non polar substances are soluble in non-polar solvents only. Here the hydrocarbons are non-polar molecular substances and water is a polar solvent. So water can't dissolve hydrocabons.


 


Hence, as hydrocarbons are non-polar substances, they are insoluble in water as it is a highly polar solvent. 

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Q:

Number of moles of solute present in 1 litre of solution is

A) Normality B) Molarity
C) Molality D) Formality
 
Answer & Explanation Answer: B) Molarity

Explanation:

Moles of solute present in 1 litre or 1000ml of solution is called molarity

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Q:

Atomic mass of first 30 elements?

Answer

Here I give you the first 30 Atomic elements names and their Atomic masses.


 


Atomic number      Element        Atomic mass
                             


        1                 Hydrogen           1


        2                  Helium              4


        3                 Lithium              6.94


        4                Beryllium            9.01


        5                  Boron               10.81


        6                Carbon               12.01


        7                Nitrogen             14.01


        8                Oxygen              15.99


        9                Fluorine              19.00


       10                Neon                 20.18


       11               Sodium               22.99


       12             Magnesium           25.31


       13             Aluminium            26.98


       14               Silicon                28.09


       15             Phosphorus           30.97


       16               Sulphur               32.07


       17               Chlorine              35.45


       18                Argon                 39.95


       19             Potassium              39.10


       20              Calcium                40.08


       21             Scandium              44.96


       22             Titanium               47.87


       23            Vanadium              50.94


       24             Chromium            24. 52


       25            Manganese            54.94


       26                Iron                  55.85


       27              Cobalt                 58.93


       28               Nickel                 58.69


       29              Copper                 63.55


       30                Zinc                   65.41

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Q:

India was partitioned as a consequence of the formula contained in 

A) Cabinet Mission Plan B) Attlee's Declaration
C) June 3 plan or Mountbatten plan D) Both (b) and (c)
 
Answer & Explanation Answer: C) June 3 plan or Mountbatten plan

Explanation:
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Q:

Every year " National Maritime Day of India " is observed on

A) 1st April B) 2nd Aril
C) 4th April D) 5th April
 
Answer & Explanation Answer: D) 5th April

Explanation:

National Maritime Day of India is observed every year on 5th April. On this day in 1919, S S Loyalty, the first ship of the Scindia Steam Navigation Company, journeyed to the United Kingdom.

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Filed Under: Important Days and Years
Exam Prep: Bank Exams

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