Questions

Q:

Ketchup stored in a tin can may lead to chemical contamination.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

The given statement is True.


Ketchup is acidic, having a pH of 3.9. The acidic component, acetic acid, will react with the metal tin. This reaction will result in a metal acetate that will contaminate the ketchup.


 


Hence, The acetic acid in the ketchup will react with the metal tin, forming a metal acetate that will pass into the ketchup which leads to its contamination.

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Subject: Chemistry
Exam Prep: AIEEE , Bank Exams , GATE
Job Role: Analyst , Bank Clerk , Bank PO

2 3952
Q:

Name the mineral used to produce artificial diamonds.

Answer

Graphite

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Subject: General Science

39 3952
Q:

Who is the author of the book "Death Of President"

A) Amitabha Ghosh B) Shekhspear
C) W. Marchent D) None of the above
 
Answer & Explanation Answer: C) W. Marchent

Explanation:

W. Marchent is the author of Death Of President

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Filed Under: Books and Authors

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Q:

................mixtures are used for making a glass

A) Quartz and Mica B) Salt and Quartz
C) Sand and Salt D) Sand and Silicates
 
Answer & Explanation Answer: D) Sand and Silicates

Explanation:
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Filed Under: General Science

18 3951
Q:

Antigens 'A' and 'B' are absent in persons belong to blood group

A) 'O' B) 'A'
C) 'B' D) 'AB'
 
Answer & Explanation Answer: A) 'O'

Explanation:
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Filed Under: Biology

4 3950
Q:

The first martyrdom in Sikh history in the reign of Jehangir was of

A) Guru Ram Das B) Guru Teg Bahadur
C) Guru Angad D) Guru Arjan
 
Answer & Explanation Answer: D) Guru Arjan

Explanation:
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Filed Under: Indian History

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Q:

Tribes belonging to which one of the following groups earn their livelihood through food - gathering and hunting?

A) Bushman, Pigmy and Eskimo B) Masai, Kirghiz, and Boro
C) Pigmy, Eskimo and Kirghiz D) Boro, Bushman, and Masai
 
Answer & Explanation Answer: A) Bushman, Pigmy and Eskimo

Explanation:
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Filed Under: World Geography

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Q:

Which year did India hosted and participated in Asian games for the first time ?

A) 1930 B) 1933
C) 1948 D) 1951
 
Answer & Explanation Answer: D) 1951

Explanation:
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Filed Under: Sports
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

10 3946