Q:

What is the oxidation number of sulfur in H2S?

A) 2	B) -2
C) 1	D) -1

Answer & Explanation Answer: B) -2

Explanation:

The sum of the oxidation numbers in a compound must equal zero. In the compound hydrogen sulfide, H2S, the two hydrogen atoms have an oxidation number of +1, for a total of +2.

What_is_the_oxidation_number_of_sulfur_in_H2S1556279499.jpg image

Therefore, the oxidation number of sulfur in the compound is -2, and the sum of the oxidation numbers is 0.

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Filed Under: Chemistry
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Database Administration , Bank PO , Bank Clerk , Analyst

31 23596

Q:

A sum of money becomes 7/6 of itself in 3 years at a certain rate of simple interst. The rate per annum

A) 5%	B) 5.5%
C) 6%	D) 6.5%

Answer & Explanation Answer: B) 5.5%

Explanation:

sum = x. amount =7x/6.

S.I. =(7x/6 – x) = x/6 ; time = 3 years

Rate =[ (100 * x) / (x * 6 * 3)]% = 5.5%

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams
Job Role: Bank PO

18 23578

Q:

The overall capabilities of CCT are understood by all because _____________ are information processing tools.

A) Computers	B) DVD
C) Internet	D) CD

Answer & Explanation Answer: A) Computers

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams

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Q:

To make the number pad act as a directional arrow, we press

A) Num lock	B) Caps lock
C) Arrow lock	D) Shift

Answer & Explanation Answer: D) Shift

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams

129 23506

Q:

The busiest and most important sea route of the world is _____

A) North Pacific Sea Route	B) North Atlantic Sea Route
C) South Atlantic Sea Route	D) Indian Ocean Route

Answer & Explanation Answer: B) North Atlantic Sea Route

Explanation:

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Filed Under: World Geography

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Q:

Which of the statements given below are correct?

A) Alexander Norén won the Golf 2017 BMW PGA Championship.

B) Canada hosted the Table Tennis 2017 ITTF Women's World Cup.

C) In 2018 IPL auctions, Rajasthan Royals retained Steve Smith.

A) Only C	B) B and C
C) A and B	D) A, B and C

Answer & Explanation Answer: D) A, B and C

Explanation:

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Filed Under: Sports
Exam Prep: Bank Exams

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Q:

A goal of data mining includes which of the following?

A) To explain some observed event or condition	B) To analyze data for expected relationships
C) To confirm that data exists	D) To create a new data warehouse

Answer & Explanation Answer: A) To explain some observed event or condition

Explanation:

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Filed Under: Database

40 23384

Q:

Which of the statements given below are correct?

A) Lewis Hamilton won the Formula One 2017 United States Grand Prix.

B) Sebastian Vettel won the Formula One 2017 Singapore Grand Prix.

C) Garbine Muguruza won the Tennis 2017 French Open Women's Singles.

A) Only A	B) Only B
C) A and C	D) A, B and C

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