Q:

Which category of Hydrogen releases water vapour and a by product when burnt?

A) Green Hydrogen	B) Blue Hydrogen
C) Red Hydrogen	D) Black Hydrogen

Answer & Explanation Answer: A) Green Hydrogen

Explanation:

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams

2 3098

Q:

Where were wigs first invented?

A) Japan	B) France
C) Egypt	D) China

Answer & Explanation Answer: C) Egypt

Explanation:

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Filed Under: Inventions

1 3097

Q:

Indian-American girl won 2017 Young Scientist Challenge for water contamination detection device. What is her name ?

A) Kavita Kumari	B) Gitanjali Rao
C) Hetal Rao	D) Savita Sharma

Answer & Explanation Answer: B) Gitanjali Rao

Explanation:

Gitanjali Rao, an 11-year-old Indian-American schoolgirl, was named as "America’s top young scientist" for inventing a cost-effective, quick lead-contamination detector in water. The seventh-grade student was inspired by the large-scale lead contamination in water in Flint, Michigan, that came to light recently.

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Filed Under: Famous Personalities
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9 3097

Q:

According to Forbes, Who has become Asia’s richest person in the year 2017?

A) Jeff Bezos	B) Hui Ka Yan
C) Mukesh Ambani	D) Bill Gates

Answer & Explanation Answer: C) Mukesh Ambani

Explanation:

Reliance Industries Chairman Mukesh Ambani overtook China’s Hui Ka Yan to become Asia’s richest person with a total wealth of $42.1 billion. According to Forbes’ real time billionaire’s list, Ambani's personal wealth rose by $466 million in 2017.

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9 3096

Q:

Who was the first Indian woman who owns the gold medal in Asian Games?

A) P.T.Usha	B) Sunita Rani
C) Shiny Abraham	D) Kamaljit Sandhu

Answer & Explanation Answer: D) Kamaljit Sandhu

Explanation:

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2 3096

Q:

In atomic reactors,graphite is used as

A) lubricant	B) fuel
C) linear of the ractor	D) moderator

Answer & Explanation Answer: D) moderator

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Q:

When were bar code scanners invented?

A) 1940s	B) 1950s
C) 1960s	D) 1970s

Answer & Explanation Answer: D) 1970s

Explanation:

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1 3095

Q:

Name the only US president who also served as the Chief Justice of the US Supreme Court.

A) John Quincy Adams	B) William Howard Taft
C) Lyndon B. Johnson	D) Zachary Taylor

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