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KhanAcademyExercises

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New exercises from Khan Academy 2019-09-19T16:56:25.030806
Actualizado: hace 16 mins 35 segs

Identify the nature of salts

Vie, 2019-08-30 11:16
Let's learn how to find out the pH of salts knowing the nature of acid and base present in it.

Affect of concentration on pH change

Vie, 2019-08-30 11:16
Lets learn the relationship between pH and concentration of H+ ions

Identify the nature of a substance based on pH

Vie, 2019-08-30 11:13
Let's learn about pH and pH scale

Identify the nature of metal oxide and non metal oxide

Vie, 2019-08-30 11:07
Lets practice the problems on metal oxide being a base and non metal oxide being an acid.

Identifying the gas released

Vie, 2019-08-30 11:06
Let's practice identifying the gas released when a metal reacts with an acid, base, a carbonate, or a bicarbonate compound.

Litmus test

Vie, 2019-08-30 11:04
Let's practice problems involving testing whether a given substance is acidic or basic using litmus solution.

Definition of acids and bases

Vie, 2019-08-30 11:02
Lets learn the definition of acids and bases

Identifying types of reactions

Vie, 2019-08-30 11:01
Let's practice on  identifying the type of reaction.

Redox reaction

Vie, 2019-08-30 10:58
To practice questions on the substance which undergoes oxidation and reduction simultaneously

Exothermic and endothermic reactions

Vie, 2019-08-30 10:33
Let's practice problems involving exothermic and endothermic reactions.

Displacement and double displacement reactions

Vie, 2019-08-30 08:55
Let's practice problems involving displacement and double displacement reactions.

Combination and decomposition reactions

Vie, 2019-08-30 06:54
Let's practice problems involving combination and decomposition reactions.

Identify molecular formulas

Vie, 2019-08-30 06:07
Let's practice remembering molecular formulas for some common compounds.

Vectors and scalars questions

Jue, 2019-08-29 21:13
Questions pertaining to vectors and scalars

Validity

Jue, 2019-08-29 19:59
Test your knowledge of validity!

Soundness

Jue, 2019-08-29 19:54
Test your knowledge of soundness!

Begging the Question

Jue, 2019-08-29 19:51
Test your knowledge of the fallacy of begging the question!

Analyze vertical asymptotes of rational functions

Jue, 2019-08-29 18:39
Given the formula of a rational function, determine how it behaves around its vertical asymptote.

Slope-intercept equation from graph

Jue, 2019-08-29 14:51
Practice finding the slope-intercept equation of a line from its graph.

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