Difference between Mixtures and Compounds

Q. Mole fraction of a gas in water is 0.001 at STP determine its Henry 's law constant

Q.

Study the diagrams representing mixtures, elements and compounds shown, and choose the correct statement from the following:

1. B represents a compound and C represents a mixture.

2. A represents an element and C represents a mixture.

3. A represents an element and D represents a mixture.

4. B represents an element and D represents a mixture.

Q.

Which of the following is not a compound?

1. Ozone

2. Sugar

3. Water

4. Salt

Q.

Which of the following is a homogeneous mixture?

1. Wood

2. Soil

3. Air

4. Ice

Q.

Which of the following is a mixture?

1. The solution of gold

2. Air

3. Water

4. Sugar

Q. Which of the following is an immiscible pair of liquids?

1. Alcohol in water
2. Glycerine in water
3. Kerosene in water
4. Oil in water

Q. Can a mixture of Salt and Sand can be homogeneous mixture? Why? Why not?

Q.

The common names of Cao and $Ca(OH{)}_2$ respectively are ___ and ___.

1. Calcium hydroxide and Calcium oxide

2. Quick lime and slaked lime

3. Slacked lime and quick lime

4. Calcium oxide and Calcium hydroxide

Q. What is the difference between compound and mixture?

Q.

A _______________ (compound/mixture) is formed when two or more elements combine together chemically.

Q.

Define element, compound and mixture. Give two examples of each.

Q.

Difference between mixture and compounds

Q.

Is petrol an element or compound?

Q.

What are the characteristics of mixture?

Q.

How and why sugar can flow like water

Q.

What Is the Other Name for the Law of Variable Proportion?

Q.

Classify the following as elements, compounds, and mixtures: water, hydrogen, ink, seawater, salt, sand, and soft drink.

Q.

A compound has a fixed melting and boiling point.

Q. What is the difference between a compound and a mixture.

Q.

Pure water consist almost entirely of _______.

Q.

Which of the following is an example of compound?

1. All

2. Common Salt

3. Blood

4. Brass

Q.

Classify the following into elements, compounds, and mixtures.

Charcoal, coconut oil, kerosene, milk, carbon dioxide, iron, nitrogen gas, sulphur, ammonia, sweets, glucose, coal gas, alcohol

Q.

The formula of Freon-12 is:

1. ${\mathrm{CH}}_2{\mathrm{F}}_2$

2. ${\mathrm{CClF}}_3$

3. ${\mathrm{CH}}_2{\mathrm{Cl}}_2$

4. ${\mathrm{CCl}}_2{\mathrm{F}}_2$

Q.

The constituents of a mixture are present in ______ proportion.

Q.

Is a compound a homogeneous substance with definite composition.

1. True
2. False

Q. Water is a universal solvent.

1. True
2. False

Q.

Explain colloid with examples? [3 MARKS]

Q.

Camphor looks similar to common salt, but its boiling point is ${209}^o$ C. Which of the following methods can be used to separate them?

1. Filtration

2. Distillation

3. Centrifugation

4. Chromatography

Q.

Classify the following as compounds and mixtures:

Air, sugar, tap water, brass, copper sulphate, gasoline

Q.

What Is the Law of Variable Proportions?