Compounds

Q.

Define solution.

STATEMENT 1: A solution is a homogenous mixture of two or more substances.

STATEMENT 2: We can have solid solutions as alloys.

STATEMENT 3: A solution has homogeneity at the particle level.

STATEMENT 4: Lemonade is an example of a solution.

1. Statement 1 is true.

2. Statement 2 is true.

3. Statement 3 and 4 are true.

4. All are correct.

Q. Which of the following is an inert gas?

1. Bromine
2. Iodine
3. Nitrogen
4. Phosphorus

Q.

Few properties are mentioned below. Specify the property as mixture or compounds:

STATEMENT 1: The constituents can be separated easily by physical means.

STATEMENT 2: Has a variable composition.

STATEMENT 3: The composition is constant.

STATEMENT 4: Shows entirely different properties from those of the constituents.

1. statement 3 and 4 mixture and rest are compound.

2. statement 1 and 2 are mixtures and 3 and 4 are compounds.

3. statement 1 is mixture and rest are compound.

4. 1 and 3 are compounds are rest are mixture.

Q. Which amongst the following gases can be classified as compound?

1. Hydrogen chloride
2. Oxygen
3. Nitrogen
4. Chlorine

Q. What is the chemical name of the compound $FeC{l}_3$?

1. Iron (II) Chloride
2. Ferrous Chloride
3. Aluminium Chloride
4. Iron (III) Chloride

Q. Which among the following gases smell like a rotten egg?

1. Hydrogen sulphide
2. Sulphur dioxide
3. Nitrogen dioxide
4. Carbon monoxide

Q.

$H_{2}O$ and $H_2{O}_2$ represent same the compound.

1. False

2. True

Q.

___________ cannot be further divided into simpler components. Whereas, ___________ is composed of two or more simple substances.

1. mixture, compound

2. element, compound

3. mixture, element

4. compound, element

Q. Choose the odd one out.

1. Methane
2. Mercury
3. Iron
4. Copper

Q. Which of the following property does not describe a compound?

1. It is a pure substance

2. It is composed of two or more elements

3. It is mixed in any proportion by mass

4. It has unique properties as compared to its constituents