General Knowledge Questions

Q:

Which compound contains both ionic and covalent bonds?

A) NaNO3 B) CaSO4
C) NH4Cl D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Here all the given compounds have both ionic and covalent bonds.

 

NaNO3 - In Sodium nitrate, Nitrate is covalently bonded as nitrogen is bonded with 3 oxygen atoms. And this nitrate is ionically bonded with sodium.

 

CaSO4 - In Calcium sulphate, sulphate is covalently bonded as sulphur is bonded with 4 oxygen atoms. And this sulphate is ionically bonded with calcium.

 

NH4Cl - In Ammonium chloride, ammonium is covalently bonded as nitrogen is bonded with 4 hydrogen atoms. And this ammonium is ionically bonded with chlorine.

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Q:

Which statement best describes an O3 molecule?

A) The double bond in ozone switches back and forth between the two outer oxygen atoms B) An ozone molecule contains one single bond and one double bond
C) Each atom in ozone is connected to another atom by 1.5 bonds. D) None
 
Answer & Explanation Answer: B) An ozone molecule contains one single bond and one double bond

Explanation:

Ozone molecule has one single bond and one double bond.

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Q:

Which of the following could be digital input devices for computers?

A) Digital camcorder B) Microphone
C) Scanner D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:
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Q:

Who owns the rights for Pizza Hut, Cream Bell and Costa Coffee in India?

A) Ashok Chauhan B) Anu Agha
C) Ravi Jaipuria D) Nikhil Meswani
 
Answer & Explanation Answer: C) Ravi Jaipuria

Explanation:
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Q:

The monomer of polythene is

A) ethylene B) ethyl alcohol
C) vinyl chloride D) ethanol
 
Answer & Explanation Answer: A) ethylene

Explanation:

The monomer of polythene is ethylene.

the_monomer_of_polythene_is1546857163.png image

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Q:

What plaything was invented by Joe McVicker in 1956?

A) Silly Putty B) Etch-A-Sketch
C) Lite-Brite D) Play-Doh
 
Answer & Explanation Answer: D) Play-Doh

Explanation:
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Q:

Who are the primary users of SCM systems?

A) Accounting, finance, logistics, and production B) Customers, resellers, partners, suppliers, and distributors
C) Sales, marketing, customer service D) All of the above
 
Answer & Explanation Answer: B) Customers, resellers, partners, suppliers, and distributors

Explanation:
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Q:

Which of the following is a regenerated fibre?

A) Terylene B) Rayon
C) Nylon D) Silk
 
Answer & Explanation Answer: B) Rayon

Explanation:

Terylene and nylon are synthetic fibres produced by a process of polymerisation. Terylene is a polyester and nylon, a poyamide.

Silk is purely a natural product obtained from silk worms.

Rayon is a man-made material which consists of purified cellulose in the form of long fibres. Cellulose occurs in the cell wall of plants. Rayon fibre is chemically identical to cotton but has a shine like silk. Since it is  basically derived from a natural source (cellulose) it is called a regenerated fibre.

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