Question

Fill in the blanks.
a) Magnesium forms____on reaction with oxygen
b) Potassium forms__and__
on reaction with water ​

Answer 1

Explanation:

a) magnesium oxide -MgO

b) potassium hydroxide( colorless) -KOH. and. hydrogen -H2

Answer 2

Answer:

A) Oxygen and magnesium come together in a chemical reaction to form this compound. After it burns, it forms a white powder of the magnesium oxide. Magnesium gives up two electrons to oxygen atoms to form this powdery product. This is an exothermic reaction.

B) Potassium metal reacts very rapidly with water to form a colourless basic solution of potassium hydroxide (KOH) and hydrogen gas (H2). The reaction continues even when the solution becomes basic. ... The reaction is exothermic.

Explanation:

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