Q:

Chloroform used as anaesthetic should be preserved in the dark in tightly stoppered bottles because otherwise

A) it becomes coloured	B) it gets evaporated in air
C) it gets oxidised to phosgene	D) it gets decomposed to chloropicrin

Answer & Explanation Answer: C) it gets oxidised to phosgene

Explanation:

Chloroform, $C H C l_{3}$ is easily oxidised to the highly poisonous gas known as phosgene or carbonyl chloride COCl2. Hence if it is used as anaesthetic it should be kept free from sunlight and air.

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE

9 4291

Q:

The atoms of the elements having same mass number but different atomic number are called

A) Isotopes	B) Isobars
C) Isotones	D) Isomers

Answer & Explanation Answer: B) Isobars

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

6 4291

Q:

The universal donor belongs to blood group

A) A	B) B
C) AB	D) O

Answer & Explanation Answer: D) O

Explanation:

The persons with 'O' blood group do not have antigens in the red corpuscles. So that blood will not cause agglutination of corpuscles if mixed with any type of blood. So group 'O' persons are called universal donors.

Report Error

View Answer Report Error Discuss

Filed Under: Biology

20 4289

Q:

A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and c in 198 seconds, all starting at the same point. After what time will they again at the starting point ?

A) 26 minutes and 18 seconds	B) 42 minutes and 36 seconds
C) 45 minutes	D) 46 minutes and 12 seconds

Answer & Explanation Answer: D) 46 minutes and 12 seconds

Explanation:

L.C.M. of 252, 308 and 198 = 2772.

So, A, B and C will again meet at the starting point in 2772 sec. i.e., 46 min. 12 sec.

Report Error

View Answer Report Error Discuss

Filed Under: Quantitative Aptitude - Arithmetic Ability

2 4289

Q:

Find the Missing Number Puzzle for the Given

number011517998001.jpg image

A) 8	B) 16
C) 9	D) 12

Answer & Explanation Answer: C) 9

Explanation:

Given

6 = 3 => Number of letters in SIX = 3

12 = 6 => Number of letters in TWELVE = 6

14 = 8 => Number of letters in FOURTEEN = 8

Similarly,

22 = 9 => Number of letters in TWENTY TWO = 9

Therefore, 22 = 9.

Report Error

View Answer Report Error Discuss

Filed Under: Number Puzzles
Exam Prep: TOEFL , GRE , GATE , CAT , Bank Exams , AIEEE
Job Role: IT Trainer , Database Administration , Bank PO , Bank Clerk , Analyst

17 4288

Q:

Which is the liquid that shows Capillary fall?

Answer

Mercury

Workspace

Report Error

View answer Workspace Report Error Discuss

Subject: Physics

8 4288

Q:

The headquarters of World Intellectual Property Organisation (WIPO) is located in

A) Paris	B) Madrid
C) New York	D) Geneva

Answer & Explanation Answer: D) Geneva

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: World Organisations

8 4287

Q:

What is cross - selling and up - selling?

Answer

An up - selling is getting the customer to spend more money, buy a more expensive model of the same type of product, or add features or warranties that relate to the product viewed or purchased.

A cross - sell is to get the customer to spend more money by adding more products from other categories than the product being viewed or purchased.

Questions

Quick Links