Q:

The fundamental rights of Indian citizens can be suspended by the

A) Supreme Court of India	B) Union Parliament
C) President of India	D) None of these

Answer & Explanation Answer: C) President of India

Explanation:

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21 7757

Q:

What does one mole of H2O correspond to

A) 16 gms	B) 18 gms
C) 20 gms	D) 22 gms

Answer & Explanation Answer: B) 18 gms

Explanation:

The molar mass of H2O can be calculated as the following.

M(H2O)= [2 x M(H)] + [M(O)].

And we know that M(H) = 1g/mol, M(O) = 16g/mol.

So, M(H2O)= 2x1 + 16 = 18g/mol,

That means 1 mole of H2O contains 18g.

Hence, one mole of H2O corresponds to 18 grams.

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6 7749

Q:

The Trans-Siberian Railway(8960 km) connects ____ in the west to ____ in the East.

A) Moscow, Tashkent	B) St. Petersburg, Omsk
C) Moscow, Irkutsk	D) St. Petersburg, Vladivostok

Answer & Explanation Answer: D) St. Petersburg, Vladivostok

Explanation:

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Q:

The degree of dissociation ( $α$ ) of a weak electrolyte, $A_{x} B_{y}$ is related to van't Hoff factor (i) by the expression:

$1 . α = \frac{x + y + 1}{i - 1}$

$2 . α = \frac{x + y - 1}{i - 1}$

$3 . α = \frac{i - 1}{x + y + 1}$

$4 . α = \frac{i - 1}{x + y - 1}$

A) 1 is correct	B) 2 is correct
C) 3 is correct	D) 4 is correct

Answer & Explanation Answer: D) 4 is correct

Explanation:

Van't Hoff factor (i) = $\frac{O b s e r v e d C o l l i g a t i v e P r o p e r t y}{N o r m a l C o l l i g a t i v e P r o p e r t y}$

$\begin{matrix} A_{x} B_{y} \\ 1 - α \end{matrix} \to \begin{matrix} x A^{+ y} \\ x α \end{matrix} + \begin{matrix} y B^{- x} \\ y α \end{matrix}$

Total Moles = $1 - α + x α + y α$ = $1 - α (x + y - 1)$

$i = \frac{1 + α (x + y - 1)}{1}$

$\Rightarrow α = \frac{i - 1}{x + y - 1}$

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Exam Prep: AIEEE

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Q:

The rank of the different Ministers in the Union Council of Ministers is determined by the

A) President	B) Prime Minister
C) Cabinet Secretary	D) Speaker of the Lok Sabha

Answer & Explanation Answer: B) Prime Minister

Explanation:

The rank of the different ministers is determined by the Prime Minister, according to whose advice the President appoints the Ministers [ Art 75(1) ] and also allocates business among them [ Art 77 ].

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Q:

Who among the following has not received a Nobel Prize in literature

A) Derek Walcott	B) Pablo Neruda
C) Churchill	D) Ernest Hemingway

Answer & Explanation Answer: C) Churchill

Explanation:

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2 7738

Q:

When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s):

A) LIKE only.	B) IN only.
C) NOT IN only.	D) Both IN and NOT IN.

Answer & Explanation Answer: D) Both IN and NOT IN.

Explanation:

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2 7734

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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