Recent questions without a selected answer

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How permanent hardness of water can be removed by using Zeolite

asked Nov 11, 2018 in Chemistry by danish (1.0m points)

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1 answer 147 views

What is the importance of lipids

asked Nov 11, 2018 in Chemistry by danish (1.0m points)

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1 answer 39 views

Give two properties of oligosaccharides

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According to Lewis concept, which types of substances can behave as bases

asked Nov 11, 2018 in Chemistry by danish (1.0m points)

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What is static equilibrium. Explain with an example

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What are preservatives? Why preservatives are used in food?

asked Nov 10, 2018 in Chemistry by danish (1.0m points)

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1 answer 49 views

What is meant by Arrhenius acid and base? Give two examples each

asked Nov 10, 2018 in Chemistry by danish (1.0m points)

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1 answer 55 views

How name are assigned to alkyl radicals

asked Nov 10, 2018 in Chemistry by danish (1.0m points)

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How hydrocarbons are classified? Give their examples

asked Nov 10, 2018 in Chemistry by danish (1.0m points)

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1 answer 528 views

Our existence owe to organic compounds, comment?

asked Nov 10, 2018 in Chemistry by danish (1.0m points)

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1 answer 77 views

Give two physical properties of alkynes

asked Nov 10, 2018 in Chemistry by danish (1.0m points)

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1 answer 89 views

How temperature changes in stratosphere

asked Nov 10, 2018 in Chemistry by danish (1.0m points)

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1 answer 93 views

What does the word petroleum mean?

asked Nov 10, 2018 in Chemistry by danish (1.0m points)

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1 answer 190 views

What are main types of organic compounds

asked Nov 9, 2018 in Chemistry by danish (1.0m points)

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What types of organic compounds are synthesized by plants? Give the sources of each type?

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1 answer 211 views

How will you justify salts are neutral compounds?

asked Nov 9, 2018 in Chemistry by danish (1.0m points)

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1 answer 70 views

What is hepatitis? Give its cause and transmission?

asked Nov 9, 2018 in Chemistry by danish (1.0m points)

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1 answer 56 views

What is meant by conjugate acid-base pair?

asked Nov 9, 2018 in Chemistry by danish (1.0m points)

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1 answer 54 views

What is the source of starch and cellulose?

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What is meant by non-essential and essential amino acids?

asked Nov 9, 2018 in Chemistry by danish (1.0m points)

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