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Q:

Iron rusting, chemical or physical change

A) Chemical B) Physical
C) Both A & B D) None of the above
 
Answer & Explanation Answer: A) Chemical

Explanation:

In rusting the Iron ore make a chemical reaction with the oxygen in the presence of water and environmental or atmospheric moisture to produce an Iron oxide. Iron oxide is otherwise called as rust.


The rusting of iron is a chemical change because it is two substances reacting together to make a new substance.

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Filed Under: Chemistry
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Q:

When data in a spreadsheet program is changed what occurs?

A) All calculations are recalculated B) Once entered, the data cannot be changed
C) Nothing D) None of the above
 
Answer & Explanation Answer: A) All calculations are recalculated

Explanation:

In a spreadsheet program, when a data is changed all calculations are recalculated.

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Filed Under: Computer
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Q:

The Famous tallest building in New York state is _____ ?

A) Empire State Building B) 432 Park Avenue
C) John Hancock Center D) None of these
 
Answer & Explanation Answer: A) Empire State Building

Explanation:
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Filed Under: Famous Places
Exam Prep: Bank Exams , CAT
Job Role: Bank Clerk

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Q:

Which one of the following actors was awarded the Dada Saheb Phalke Award at the 59th National Film Festival

A) Soumitra Chatterjee B) Ketan Mehta
C) Shekhar Kapoor D) Mahesh Bhatt
 
Answer & Explanation Answer: A) Soumitra Chatterjee

Explanation:
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Filed Under: Honours and Awards

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Q:

Which of the folowing is a rift valley

A) The Amazon valley B) The Thames valley
C) The Rhine valley D) The Mississipipi valley
 
Answer & Explanation Answer: C) The Rhine valley

Explanation:

A rift valley is an elongated trough like feature bounded by faults. The term 'garben' is considered synonymous to rift valley.

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Filed Under: World Geography

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Q:

Which of these relationships is true of an uncharged atom?

A) The atomic mass is equal to the atomic number. B) The number of electrons is equal to the number of neutrons.
C) The number of protons is equal to the number of electrons. D) The atomic mass is equal to the number of electrons.
 
Answer & Explanation Answer: C) The number of protons is equal to the number of electrons.

Explanation:

The number of protons is equal to the number of electrons. That is the number of positive charges is equal to the number of negative charges.

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Filed Under: Chemistry
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Q:

Most Explosive Type of Volcano is

A) The Cinder Cone B) Rhyolite caldera complexes
C) Shield Volcanoes D) The Basault Volcanoes
 
Answer & Explanation Answer: B) Rhyolite caldera complexes

Explanation:
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Filed Under: General Science
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Q:

Amoeba belongs to the phylum

A) Protozoa B) Annelida
C) Porifera D) Platyhelminthes
 
Answer & Explanation Answer: A) Protozoa

Explanation:
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Filed Under: Biology

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