Q:

The mass of one molecule of oxygen is

A) 2.3 x 10-23 g	B) 3.3 x 10-23 g
C) 4.3 x 10-23 g	D) 5.3 x 10-23 g

Answer & Explanation Answer: D) 5.3 x 10-23 g

Explanation:

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Q:

Is B2+ Paramagnetic or Diamagnetic?

Answer

B2+ is a Paramagnetic.

The filled orbitals are $σ$ (1s) $^{2}$ , $σ^{*}$ (1s) $^{2}$ , $σ$ (2s) $^{2}$ , $σ^{*}$ (2s) $^{2}$ . The half-filled orbitals are $π$ (2p $_{x}$ ) and $π$ (2p $_{y}$ ). Since it posses 2 unpaired electrons, it is Paramagnetic in nature.

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Q:

Rearrange the parts of the sentence in correct order.The aim of platonic

P : into a God

Q : philosophy was to

R : exalt man

A) QPR	B) RPQ
C) PRQ	D) QRP

Answer & Explanation Answer: D) QRP

Explanation:

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Q:

Which of the following is present in the largest amount in terms of percent by mass in the earth's crust

A) Silicon	B) Oxygen
C) Carbon	D) Calcium

Answer & Explanation Answer: B) Oxygen

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Q:

Improve the bracketed part of the sentence.

She dithered every time she (make) a decision.

A) makes	B) had to make
C) will make	D) No improvement

Answer & Explanation Answer: B) had to make

Explanation:

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Q:

A prescribed set of well-defined instructions for solving mathematical problems is called ________

A) A compiler	B) A code
C) A description	D) An algorithm

Answer & Explanation Answer: D) An algorithm

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Q:

Who set up the world's first floating ATM ?

A) Bank of America	B) Barclays Bank
C) Axis Bank	D) State Bank of India

Answer & Explanation Answer: D) State Bank of India

Explanation:

India's banking behemoth -- the State Bank of India -- has set up the world's first-ever floating ATM on a boat in Kerala. The boat with the ATM on board will berth at jetties in Kerala's huge backwaters through which thousands of people travel daily.

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Q:

Which device is required for the internet connection?

A) cd drive	B) modem
C) nic card	D) joystick

Answer & Explanation Answer: B) modem

Explanation:

The device required for the internet connection is a MODEM.

A modem (modulator–demodulator) is a network hardware device that modulates one or more carrier wave signals to encode digital information for transmission.

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