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CHEMISTRY OF THE ELEMENTS: Nitrogen
Chemistry Of The Elements: Sulphur
MATTER - PROPERTIES AND TRANSFORMATION: Acidic And Alkaline Solutions
MATTER - PROPERTIES AND TRANSFORMATION: Atomic Structure And The Periodic Table
MATTER - PROPERTIES AND TRANSFORMATION: Atoms
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Carbon
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Hydrogen
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Oxygen
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Phosphorus
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - The Halogens
MATTER - PROPERTIES AND TRANSFORMATION: Structure And Bonding

5/94 MCQs for:

MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Carbon

When a gas turns limewater cloudy, but the cloudiness disappears upon passing more of the gas, it indicates the gas is:

Hydrogen.

Carbon dioxide.

Sulfur dioxide.

Oxygen.

Which of the following carbonates is stable to heat and does not readily decompose upon heating?

Calcium carbonate.

Sodium carbonate.

Zinc carbonate.

Copper(II) carbonate.

What is the common name for potassium hydrogen carbonate (KHCO₃)?

Bicarbonate of potash.

Washing soda.

Baking soda.

Potash.

When a solution of sodium carbonate is added to a solution of magnesium sulfate, what is observed?

The solution turns blue.

A clear solution is formed.

Hydrogen gas is produced.

A white precipitate of magnesium carbonate is formed.

__ is the existence of an element or a compound in two or more different forms but in the same physical state.

Polymorphs.

Polymorphism.

Allotropes.

Allotropy.