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Q:

The luster of a metal is due to presence of free electrons.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

True, The luster of a metal is due to presence of free electrons. Luster means shine or soft glow. We know that metals have the quality of reflecting light from its surface.

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Subject: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Starting or restarting a computer is called tasking the system.

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

False. The given statement that starting or restarting a computer is called tasking the system is not correct. 


 


We know that the starting or restarting a computer is called Booting the system.

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Subject: Computer
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Q:

Carbon disulfide is prepared by heating sulfur and charcoal.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Yes, Carbon disulfide is prepared by heating sulfur and charcoal. 


S2 + C ----> CS2

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Subject: Chemistry
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Q:

A UPS connects your computer and a power source.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

A UPS (Uninterruptible Power Supply) is a device that provides battery backup when the electrical power fails or drops to an unacceptable voltage level.


Related image


Small UPS systems provide power for a few minutes; enough to power down the computer in an orderly manner, while larger systems have enough battery for several hours.

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Subject: Computer
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Q:

Most foodborne illnesses are treatable.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Some common foodborne illness are like vomiting, diarrhea, fever, chills and abdominal pain. These all are acute i.e, they last for only some time and be cured without medication and some times by medication.

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Subject: Biology
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3 2765
Q:

Stress is a factor that contributes to heart disease risk.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

True, Stress is a factor that contributes to heart disease risk.


More factors that contributes to heart disease risk are blood pressure, cholesterol, smoking, physical inactivity and overeating.

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Subject: Biology
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0 1453
Q:

All enzymes are proteins.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

All enzymes are proteins but all proteins are not enzymes since, enzymes are subset of proteins.

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Subject: Biology
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Q:

Alcohol is a stimulant. true or false

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

Alcohol is a drug.

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Subject: Chemistry
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