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Why BF3 behaves as a Lewis acid?

asked Sep 16, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 261 views

Define and give the characteristics of a Lewis acid.

asked Sep 16, 2017 in Chemistry by shamroz (41.5k points)

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2 answers 541 views

Define and give the characteristics of a Lewis acid.

asked Sep 15, 2017 in Biology by shamroz (41.5k points)

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State and explain the neutralization reaction according to Lewis concept.

asked Sep 15, 2017 in Chemistry by shamroz (41.5k points)

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How can you justify that NH3 is Bronsted-Lowry-base but not Arrhenius base?

asked Sep 15, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 742 views

Prove that water is amphoteric specie.

asked Sep 15, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 722 views

What do you mean by neutralization reaction according to Arrhenius acid-base concept?

asked Sep 15, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 209 views

What is difference between Arrhenius base and Bronsted-Lowry base?

asked Sep 15, 2017 in Chemistry by shamroz (41.5k points)

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3 answers 299 views

Describe the types of joints and give examples.

asked Sep 15, 2017 in Biology by shamroz (41.5k points)

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1 answer 152 views

Name the longest and smallest bone of human body.

asked Sep 15, 2017 in Biology by shamroz (41.5k points)

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1 answer 155 views

What are the main components of the axial skeleton and the appendicular skeleton?

asked Sep 15, 2017 in Biology by shamroz (41.5k points)

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2 answers 137 views

Why Andreas Vesalius is famous for?

asked Sep 15, 2017 in Biology by shamroz (41.5k points)

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1 answer 234 views

How many bones are present in human babies and how many in adults?