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Q:

Which sample of matter is a mixture?

A) KBr (S) B) NaCl (L)
C) K (S) D) NaCl (Aq)
 
Answer & Explanation Answer: D) NaCl (Aq)

Explanation:

Mixtures are combination of two or more substances physically which can be separated in to the original.

Matter can be breakdown into two categories. 

1) Pure substances 

2) Mixtures

 

Here in the given options, options A, B, C are pure substances as they are indicated as S & L in brackets. Option D) is an aqueous solution, that can be dissolved in water.

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Filed Under: Chemistry
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Q:

Only genius can solve this puzzle?

genius_maths_puzzle1564054544.jpg image

A) 36 B) 40
C) 48 D) 60
 
Answer & Explanation Answer: C) 48

Explanation:

In the given puzzle the logic is

2 x 1 + 1 = 2 + 1 = 3

3 x 2 + 2 = 6 + 2 = 8

4 x 3 + 3 = 12 + 3 = 15

5 x 4 + 4 = 20 + 4 = 24

6 x 5 + 5 = 30 + 5 = 35

Similarly,

7 x 6 + 6 = 42 + 6 = 48

7 = 48.

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Filed Under: Math Puzzles
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Q:

What kind of tree can you carry in your hand?

Answer

Palm tree.

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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Q:

Who is the Indian Classical dancer credited with the first female dancer to learn Chhau form ?

Answer

Sonal Mansingh

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Subject: Famous Personalities

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Q:

The prime meridian passes through

A) Paris B) Greenwich
C) New York D) Delhi
 
Answer & Explanation Answer: B) Greenwich

Explanation:
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Filed Under: World Geography

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Q:

Which of the following does not contain the material particles

A) alpha - rays B) beta - rays
C) gamma - rays D) anode rays
 
Answer & Explanation Answer: C) gamma - rays

Explanation:
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Filed Under: Chemistry

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Q:

 A benefit of the three-tier architecture is which of the following?

A) New modules can be built to support specific business needs B) Performance improves for compiled SQL statements
C) Results in a thinner client and database server D) All of the above.
 
Answer & Explanation Answer: A) New modules can be built to support specific business needs

Explanation:
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Filed Under: Database

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Q:

Translation of the dna sequence AAGCTGGGA would result in

A) a DNA strand with the base sequence TTCGACCCT B) an mRNA strand with the sequence TTCGACCCT
C) a sequence of three amino acids linked by peptide bonds D) an mRNA strand with the sequence UUGCACCCU
 
Answer & Explanation Answer: A) a DNA strand with the base sequence TTCGACCCT

Explanation:

Translation_of_the_dna_sequence_AAGCTGGGA_would_result_in_a_DNA_strand_with_the_base_sequence_TTCGACCCT1557489837.jpg image

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Filed Under: Biology
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