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Q:

Number of moles of CO2 present in 24 grams of carbon is

A) 0.5 B) 1
C) 2 D) 0.25
 
Answer & Explanation Answer: C) 2

Explanation:

1 mole of CO2 contain 12gms of carbon and 44 gms of CO2

therefore  24 gms of carbon is present in 88 gms of CO2 or 2 moles of CO2

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Filed Under: Chemistry

Q:

Atomic weight of an element is given by

A) sum of neutrons and electrons B) sum of neutrons and protons
C) only neutrons D) only protons
 
Answer & Explanation Answer: A) sum of neutrons and electrons

Explanation:

Atomic weight=number of neutrons+number of protons

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Filed Under: Chemistry

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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Filed Under: Chemistry

Q:

What is the capital of Philippines?

A) Warsaw B) Manila
C) Lisbon D) Doha
 
Answer & Explanation Answer: B) Manila

Explanation:

Manila is the capital of Philippines

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Filed Under: Country Capitals

Q:

Who is the author of the book "Adventures of the sherlock holmes"?

A) Harisen B) Arther Conon Doyle
C) Nirod C. Choudhary D) G. B. Shaw
 
Answer & Explanation Answer: B) Arther Conon Doyle

Explanation:

Arther Conon Dole is the author of Adventures of Sheerlock holmes.This book is related to the murder mysteries that are solved by Sherlock holmes

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Filed Under: Books and Authors

Q:

What is the capital of Niger?

A) Windhoek B) Niamey
C) Melekeok D) Bamako
 
Answer & Explanation Answer: B) Niamey

Explanation:

Capital of Niger is Niamey

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Filed Under: Country Capitals

Q:

What is the capital of Peru?

A) Warsaw B) Lima
C) Dakar D) Victoria
 
Answer & Explanation Answer: B) Lima

Explanation:

Lima is the capital of Peru

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Filed Under: Country Capitals

Q:

What is the Capital of Kazakhsthan?

A) Astana B) Nairobi
C) Pristina D) Bishkek
 
Answer & Explanation Answer: A) Astana

Explanation:

 Capital of Kazakhsthan is Astana

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Filed Under: Country Capitals