Questions

Q:

Which two atoms form an ionic bond?

Answer

Ionic bonding is a type of chemical bond in which valence electrons are lost from one atom and gained by another.. This bond generates two oppositely charged ions.


In ionic bonds, the metal loses electrons to become a positively charged cation, whereas the nonmetal accepts those electrons to become a negatively charged anion.


 


Example ::


One example of an ionic bond is the formation of sodium fluoride, NaF, from a sodium atom and a fluorine atom. In this reaction, the sodium atom loses its single valence electron to the fluorine atom, which has just enough space to accept it. The ions produced are oppositely charged and are attracted to one another due to electrostatic forces.

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Q:

The unit of energy in MKS system is

A) Joule B) Ohm
C) Erg D) Volt
 
Answer & Explanation Answer: A) Joule

Explanation:

The unit of energy in MKS system is Joule.

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Q:

Which part of the brain is responsible for memory?

A) Cerebellum B) Medulla Oblongata
C) Cerebrum D) All of the above
 
Answer & Explanation Answer: A) Cerebellum

Explanation:
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Q:

What branch of government is responsible for enforcing laws?

A) Judicial Branch B) Executive Branch
C) Legislative Branch D) All of the above
 
Answer & Explanation Answer: B) Executive Branch

Explanation:

Executive Branch of government is responsible for enforcing laws.

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Q:

The systematic risk of the market is measured by

A) alpha B) beta
C) gamma D) All of the above
 
Answer & Explanation Answer: B) beta

Explanation:

Beta is the measurement of the systematic risk of the market.

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Q:

Anaerobic glycolysis occurs without

A) water B) glucose
C) oxygen D) All of the above
 
Answer & Explanation Answer: C) oxygen

Explanation:

Anaerobic glycolysis is the transformation of glucose to lactate when limited amounts of oxygen (O2) are available. 

 

Hence, Anaerobic glycolysis occurs without oxygen.

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Q:

The HIV retrovirus is particularly deadly because

A) I can become AIDS shortly afte being contracted B) It attacks the body immune system
C) Treatments can be dangerous for patients D) Its hard to diagnose accurately
 
Answer & Explanation Answer: B) It attacks the body immune system

Explanation:

HIV is a virus that damages the immune system. HIV is a lifelong condition, and without treatment, a person with HIV can develop AIDS.

The_HIV_retrovirus_is_particularly_deadly_because1563452540.jpg image

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Q:

Select the antonym of
Humdrum

A) tedious B) trite
C) drab D) fascinating
 
Answer & Explanation Answer: D) fascinating

Explanation:
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