Q. Which of the following metals has stable carbonates?

A) $Al$
B) $Si$
C) $Mg$
D) $Na$
Explanation

(d)
When carbonates are heated, they decompose to form the oxide. Sodium carbonate and potassium carbonate do not decompose. The carbonate become more difficult to decompose as we go down the 1st group

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.