Q:

Which is not a green house gas in the following?

A) Ozone	B) Nitrous oxide
C) Water vapour	D) Hydrogen

Answer & Explanation Answer: D) Hydrogen

Explanation:

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Filed Under: Chemistry
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0 5215

Q:

What Does BIOS Stand For

A) Backup Input Output System	B) Battery Integrated Operating Setup
C) Basic Input Output System	D) Better Integrated Operating System

Answer & Explanation Answer: C) Basic Input Output System

Explanation:

BIOS in computers stands for Basic Input Output System.

BIOS is a set of computer instructions in firmware which control input and output operations.

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25 5215

Q:

Cellulose is a

A) Mineral	B) Protein
C) Fat	D) Carbohydrate

Answer & Explanation Answer: D) Carbohydrate

Explanation:

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Filed Under: Biology

15 5213

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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8 5210

Q:

Who was the first woman to reach the north pole?

A) Ann Bancroft	B) Nancy Loewen
C) Liv Arnesen	D) Robert Peary

Answer & Explanation Answer: A) Ann Bancroft

Explanation:

Ann Bancroft was the first woman to reach the north pole.

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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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Exam Prep: AIEEE

7 5208

Q:

What is the systematic name of PbO?

A) Plumbic oxide	B) Lead oxide
C) Lead(II) oxide	D) All of the above

Answer & Explanation Answer: C) Lead(II) oxide

Explanation:

The systematic name for a chemical is the unique name given to it by the International Union of Pure Applied Chemistry (IUPAC). The IUPAC name can differ from a chemical compound's general name.

PbO is an ionic compound since it consists of a Lead as metal and Oxygen as nonmetal. The systematic name for PbO is Lead (II) oxide. Here we need to put the (II) since lead has more than one combining capacity.

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3 5207

Q:

Nation Police Academy in Hyderabad is named after which of the following leaders ?

A) Jawaharlal Nehru	B) Mahatma Gandhi
C) Sardar Vallabhai Patel	D) Lal Bahaddur sastry

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