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Q:

Molar mass of HNO3?

A) 63 g/mol B) 53 g/mol
C) 48 g/mol D) 52 g/mol
 
Answer & Explanation Answer: A) 63 g/mol

Explanation:

Calculation of molar mass of HNO3:

Atomic masses of H, N, O are 1, 14, 16 respectively

Now the molar mass of HNO3 is

HNO3 = 1X1 + 1X14 + 3X16

= 1 + 14 + 48

= 63 g/mol or amu.

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Filed Under: Chemistry
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Q:

Most pathogenic bacteria are thermophiles.

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

Explanation:

The given statement that "Most pathogenic bacteria are thermophiles" is FALSE.

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Subject: General Science
Exam Prep: AIEEE , Bank Exams
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Q:

Where does most weather occur in the atmosphere?

A) Ionosphere B) Stratosphere
C) Troposphere D) Mesosphere
 
Answer & Explanation Answer: C) Troposphere

Explanation:

The troposphere is the lowest layer of the atmosphere and where most clouds are. That means all weather is in the troposphere. Almost all weather occurs in the Troposphere, basically, the lowest layer that goes up to about 10 - 15 kms.

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Filed Under: General Awareness
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Q:

ACTH stimulates the adrenal cortex to release corticosteroid hormones.

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

Explanation:

ACTH means Adrenal Corticotrophic Hormone.


CRH - Corticotrophin Releasing Hormone produced by hypothalamus stimulates the pituitary gland to release the ACTH which in turn produces corticosteroid hormones by adrenal glands.


 


Hence, the given statement is TRUE.

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Subject: Biology
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Q:

Most highly intelligent mammals are

A) Elephants B) Kangaroos
C) Whales D) Dolphins
 
Answer & Explanation Answer: D) Dolphins

Explanation:

Dolphins are the most highly intelligent mammals.

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Filed Under: Animals and Birds
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Q:

In the diagram, M is the midpoint of YZ, angle XMZ = 32°, and angle XYZ = 16°. The measure of angle XZY is:

A) 68° B) 84°
C) 78° D) 74°
 
Answer & Explanation Answer: D) 74°

Explanation:
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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

The first female to take over the controls of a NASA spaceship is

A) Wilkie Collins B) Eileen Collins
C) Colette D) Kim Clijsters
 
Answer & Explanation Answer: B) Eileen Collins

Explanation:
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Filed Under: Famous Personalities

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Q:

The More You Have, The Less You See. What is it?

A) Light B) Darkness
C) Sight D) None
 
Answer & Explanation Answer: B) Darkness

Explanation:

The More You Have the Darkness, The Less You See i.e, visible less.

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Filed Under: Logic Puzzles
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