Q:

Modern periodic table is based on atomic number of the elements. The significance of atomic number was proved by the experiment of ________

A) Moseley's work on X-ray spectra	B) Bragg's work on X-ray diffraction
C) Mulliken's oil drop experiment	D) Discovery of X-ray by Roentgen

Answer & Explanation Answer: A) Moseley's work on X-ray spectra

Explanation:

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Filed Under: Chemistry

8 8135

Q:

Which media have the ability to have data/information stored (written) on them by users more than once?

A) CD-R disks	B) CD-RW disks
C) Zip disks	D) Optical disks

Answer & Explanation Answer: B) CD-RW disks

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams
Job Role: Bank PO

24 8124

Q:

One who dies for a noble cause

A) Martyr	B) Pilgrim
C) Astronomer	D) Pantomath

Answer & Explanation Answer: A) Martyr

Explanation:

One who dies for a noble cause is called a martyr. He is a person who dies fighting for what they believe in like advocating religious or other beliefs, refusing to renounce, etc...

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Filed Under: English
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

10 8122

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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Filed Under: Chemistry
Exam Prep: AIEEE

6 8121

Q:

What is the name of Sweden's Parliament ?

A) Storting	B) Knesset
C) Riksdag	D) Sejm

Answer & Explanation Answer: C) Riksdag

Explanation:

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Filed Under: General Awareness

29 8120

Q:

As a supervisor for a wholesale market, what actions would you take to increase the profit?

Answer

Applicant should answer that as a wholesaler; he/she would interview the suppliers of wholesale market and negotiate the prices, discounts, transportation arrangements, and credit terms. Oversee the distribution of merchandize to different outlets and maintain adequate stock levels. Establish a good rapport with suppliers and supervise the retail outlet markets to get a better knowledge of supply chain management.

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Subject: Retail

5 8114

Q:

What is the currency of Indonesia?

A) rupiah	B) dinar
C) rangit	D) riyal

Answer & Explanation Answer: A) rupiah

Explanation:

Currency of Indonesia is rupiah

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Filed Under: General Awareness

30 8113

Q:

Humayun Nama was written during the reign of Emperor Akbar's reign, both Hindi and persian,belongs to

A) Gulbadan Begum	B) Ahmad Yadgar
C) Abbas Sarwani	D) Faizi Sarhindi

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