Q:

Trichloroacetaldehyde was subject to Cannizzaro's reaction by using NaOH. The mixture of the products contains sodium trichloroacetate and another compound. The other compound is :

A) Chloroform	B) 2, 2, 2-Trichloroethanol
C) Trichloromethanol	D) 2, 2, 2-Trichloropropanol

Answer & Explanation Answer: B) 2, 2, 2-Trichloroethanol

Explanation:

$\begin{matrix} C l \\ | \\ C l & - & C & - & C H O \\ | \\ C l \end{matrix}$ $\to_{C a n n i z z a r o' s R e a c t i o n}^{N a O H}$ $\begin{matrix} C l \\ | \\ C l & - & C & - & C O O N a \\ | \\ C l \end{matrix}$ $+$ $\begin{matrix} C l \\ | \\ C l & - & C & - & C H_{2} \\ | 2 & 1 \\ C l \end{matrix}$ $- O H$

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Filed Under: Chemistry
Exam Prep: AIEEE

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Q:

Select the antonym of

taciturn

A) reticent	B) curt
C) laconic	D) verbose

Answer & Explanation Answer: D) verbose

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

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Q:

The National institute of Oceangraphy is located at

A) Goa	B) Mumbai
C) Cochin	D) Kandla

Answer & Explanation Answer: A) Goa

Explanation:

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Filed Under: Indian Geography

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Q:

Computer software can be defined as

A) the interaction between the computer and its database	B) an interface between the computer and the network
C) the computer and its associated equipment	D) the instructions that tell the computer what to do

Answer & Explanation Answer: D) the instructions that tell the computer what to do

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams

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Q:

Which instrument has keys, pedals and strings?

A) Guitar	B) Piano
C) Violin	D) Tumbra

Answer & Explanation Answer: B) Piano

Explanation:

A piano is a musical instrument which has keys, pedals and strings in which the strings are struck by hammers.

which_instrument_has_keys_pedals_and_strings1558331311.jpg image

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk

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Q:

Select the synonym of

pal

A) buddy	B) lad
C) foe	D) dude

Answer & Explanation Answer: A) buddy

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

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Q:

Ionic compounds ______.

I. have high boiling point

II. have high melting point

III. conduct electricity in solution

A) Only I and II	B) Only I and III
C) Only II and III	D) All I, II and III

Answer & Explanation Answer: D) All I, II and III

Explanation:

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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

Which of the following is Not an Operating System?

A) UNIX	B) Windows NT
C) C++	D) DOS

Answer & Explanation Answer: C) C++

Explanation:

C++ is not an Operating System.

An Operating System is a collection of system programs that manages all the other programs application programs in a computer as well as the allocation and use of hardware resources such as the CPU, Memory and the Hard Disk Drive.

It acts as an interface between the hardware and the user level program.

It controls and facilitates the overall operation of a computer.

Here

UNIX : UNIX is a popular multi-user, multitasking operating system (OS) developed at Bell Labs.

Windows NT : Windows NT is a family of operating systems produced by Microsoft, the first version of which was released in July 1993.

DOS : DOS is Disk Operating System. The term DOS can refer to any operating system.

C++ : C++ is a programming language and computing platform.

Hence, C++ is not an Operating System.

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Filed Under: Operating Systems
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer , Network Engineer , Project Manager , Software Architect

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