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Amorphous Forms of Carbon

Coke floats o...

Question

Coke floats on water when dissolved, this is due to the presence of ________ in it.

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Solution

Ans: air gaps
Due to air gaps present density of coke is considerably low with respect to water, due to this coke floats on water.

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Question 42
An element is placed in 2nd Group and 3rd Period of the Periodic Table, burns in presence of oxygen to form a basic oxide.

(a) Identify the element.

(b) Write the electronic configuration.

(c) Write the balanced equation when it burns in the presence of air.

(d) Write a balanced equation when this oxide is dissolved in water.

(e) Draw the electron dot structure for the formation of this oxide.

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