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Anonymous

Jun 8

#food-science #chemistry #biochemistry

show steps taken in solvent extraction of beta-carotene from carrot?

2 1

Anonymous

Jun 8

#chemistry #periodic-table

Which period do the elements where first ionisation energy takes place?

2 1

Anonymous

Jun 8

#chemistry #physics

How is the volume,shape,kinetic energy,flowing,density,intermolecular forces particle arrangement of solids,liquids and gases?

2 1

Anonymous

Jun 7

#chemistry #science

What is meant by adsorption?

2 1

Rosemary Mwale

Jun 7

#chemistry #physics

What is the Atomic structure for copper atom??

2 1

Johnson Charles

Jun 7

#solubility #chemistry

Why ammonia is soluble in water but insoluble in organic solvent like benzene?

2 1

Johnson Charles

Jun 7

#chemistry #science

Why Hydrogen sulphide is gas at room temperature while water hydrogen dioxide is liquid?

2 1

Johnson Charles

Jun 7

#chemistry #science #physics

Using table show the total number of electrons found in the third energy level of the hydrogen spectrum ?

2 1

Anonymous

Jun 7

#chemistry #soil-science #analytical-techniques

Methods used to quantify cation exchange?

2 1

Forget Gotora

Jun 7

#chemistry #science

What is cation?

2 1

Anonymous

Jun 7

#chemistry #soil-science #science

What are colloid?

2 1

Anonymous

Jun 7

#materials-science #chemistry

Cation exchange?

2 1

Lerato Seleka

Jun 6

#chemistry #science

Calcium hydroxide and phosphoric acid react to form calcium phosphate water ? ?

2 2

Lerato Seleka

Jun 6

#chemistry #science

Copper and sulfuric react to form copper (II) sulfate and water and sulfur dioxide ? ?

Copper and

2 1

Anonymous

Jun 6

#chemistry #science

Aluminum and hydrochloric acid react form Aluminum chloride and hydrogen gas ? ?

2 1

Lerato Seleka

Jun 6

#chemistry

Hydrogen gas and nitrogen monoxide react to form water and nitrogen gas ? ?

2 1

Lerato Seleka

Jun 6

#chemistry #science

Potassium metal and chlorine gas combine to form potassium chloride? ?

2 1

Lerato Seleka

Jun 6

#chemistry #science

Zinc and lead (II) nitrate react to from Zinc nitrate and lead ? ?

2 1

Anonymous

Jun 6

#chemistry

_NaCI+_F²-_H²O ? ?

_NaC

2 1

Anonymous

Jun 6

#mathematics #chemistry

_C⁸H¹⁸+_O²-__CO²+H²O? ?

2 1