Question

Of the three metals x y and z. X reacts with cold water, y with hot water and z with stem only. Identify x,y and z and also arrange them in increasing reactivity.

Answer 1

Hey Mate!!!

Element =

X , Y , Z

X = Sodium (Na)

Y = Calcium (Ca)

Z = Magnesium (Mg)


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Answer 2

ANSWER----

◆ X = Potassium (K) reacts with cold water.

◆ Y = Magnesium (Mg) reacts with hot water.

◆Z = Iron (Fe) reacts with steam.

◆ ARRANGE THEM IN INCREASING ORDER:-

Potassium
Magnesium
Iron


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