Q:

Secondary storage ________

A) does not require constant power	B) does not use magnetic media
C) consists of four main types of devices	D) does not store information for later retrieval

Answer & Explanation Answer: A) does not require constant power

Explanation:

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18 8195

Q:

Which solution has the highest pH?

A) 50.0 mL 0.0500 M calcium hydroxide, Ca(OH)2 (aq)	B) 50.0 mL 0.0500 M sodium hydroxide, NaOH (aq)
C) 50.0 mL 0.0500 M nitric acid, HNO3 (aq)	D) 50.0 mL 0.0500 M nitrous acid, HNO2 (aq)

Answer & Explanation Answer: A) 50.0 mL 0.0500 M calcium hydroxide, Ca(OH)2 (aq)

Explanation:

50.0 mL 0.0500 M calcium hydroxide, Ca(OH)2 (aq) has the highest pH value.

Sodium hydroxide and Calcium hydroxide are strong bases so they completely ionize in solution. Because they ionize at the same rate, and Calcium hydroxide has the higher pH calculated, then Calcium hydroxide, in fact, has the highest pH.

Nitric acid is a strong acid, so it completely ionizes in water. Whilst nitrous acid is a weak acid. Therefore, the nitric acid solution has the LOWEST ph.

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8 8193

Q:

The oldest dynasty still ruling in which country ?

A) India	B) Iran
C) Japan	D) England

Answer & Explanation Answer: C) Japan

Explanation:

The longest-surviving dynasty in the world is the Imperial House of Japan.

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21 8191

Q:

Dronacharya Award Is Given To

A) Sports Editors	B) Umpires
C) Sportsmen	D) Coaches

Answer & Explanation Answer: D) Coaches

Explanation:

The Dronacharya Award, formally known as Dronacharya Award for Outstanding Coaches in Sports and Games, is sports training honour of the Republic of India. The award is named after Drona, often referred as "Dronacharya" or "Guru Drona", a character from the Sanskrit epic Mahabharata of ancient India.

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15 8189

Q:

Rearrange the parts of the sentence in correct order.

Hit hard by austerity measures

P-government, they lead
Q-of the Conservative
R-lives embedded in anxiety

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

Answer & Explanation Answer: C) QPR

Explanation:

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Q:

Which metal pollute the air of a big city?

A) Chromium	B) Lead
C) Copper	D) Zinc

Answer & Explanation Answer: B) Lead

Explanation:

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12 8183

Q:

Select the synonym of

panorama

A) puny	B) wee
C) diminutive	D) spectacle

Answer & Explanation Answer: D) spectacle

Explanation:

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Q:

In archery, what shape is the target

A) Squar	B) Round
C) Triangular	D) Rectangular

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