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Q:

Antonym of:: Amicable

A) Hostile B) Loveable
C) Friendly D) Peaceful
 
Answer & Explanation Answer: A) Hostile

Explanation:

Amicable means Friendly or in Loveable, peaceful sense.

Then Antonyms for Amicable are Opposite of Friendly => Unfriendly, Hostile, Unpeaceful, etc...

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Filed Under: Alphabet Test
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Q:

Which is the best definition of activation energy?

A) the energy required to break the bonds of reactant molecules B) the energy required to end a chemical reaction
C) the energy required to bind a substrate to an active site D) the energy required to re-form bonds in product molecules
 
Answer & Explanation Answer: A) the energy required to break the bonds of reactant molecules

Explanation:

Activation energy is a minimum amount of energy that required for the chemical reaction to happen or to take place.

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Filed Under: Chemistry
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Q:

Biogeochemical cycles are crucial to ecosystem function because

A) they keep the planet warm enough for living things to survive B) energy flows through ecosystems in one direction only and is eventually dissipated as heat
C) they prevent catastrophic extinctions D) nutrients and other life-sustaining molecules are in limited supply and must be continually recycled
 
Answer & Explanation Answer: D) nutrients and other life-sustaining molecules are in limited supply and must be continually recycled

Explanation:

Biogeochemical cycles are crucial to ecosystem function because ::

 

1. Chemical elements are available in only limited amounts and must be recycled.

2. Nutrients and other life-sustaining molecules are in limited supply and must be continually recycled.

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Filed Under: General Science
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0 2231
Q:

Force of impact is the force

A) by the objects weight B) by the speed of the object
C) when the objects meet D) None of the above
 
Answer & Explanation Answer: C) when the objects meet

Explanation:

Force of impact is the force when the objects meet. The speed of the object plays an important role in the generation of force of impact. The laws of physics determine that the force of impact increases with the square of the increase in speed.

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Filed Under: Physics
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1 2229
Q:

Air pressure is measured in which of the following units?

A) Steridian B) kg/mts
C) Newton D) Pascal
 
Answer & Explanation Answer: D) Pascal

Explanation:

Pressure = (Net Force) / (Applied area) = Newton / square meters


Measuring units of pressure are:

. Pascal
. Bar
. Torr
. Pounds per square inch (psi)
. Standard atmosphere (atm).

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Filed Under: Physics
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Q:

The current atomic model would be revised if 

A) better microscopes are invented in the future B) a new element is discovered in the future
C) better microscopes were being used to study its structure D) new information about an atoms structure is discovered
 
Answer & Explanation Answer: D) new information about an atoms structure is discovered

Explanation:
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Filed Under: Chemistry
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Q:

The chief constituent of gobar gas is

A) Methane B) Carbon dioxide
C) Ethane D) Hydrogen
 
Answer & Explanation Answer: A) Methane

Explanation:
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Filed Under: General Science
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Q:

Which is the largest coal producing country in the World?

A) India B) China
C) Russia D) New-zealand
 
Answer & Explanation Answer: B) China

Explanation:

China has been by far the biggest coal producing country over the last three decades. The country produced about 3.6 billion tonnes (Bt) of coal in 2012 accounting for over 47% of the world's total coal output.

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Filed Under: General Awareness
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