Elements,compounds and mixtures

_______ is classified into two broad categories- pure and impure substances

• Compound

• Matter

Pure water has no specific boiling point & melting point

• True

• False

Metals may _______ in room temperature

• Solid

• Liquid

• Gas

• All the above

Non Metals are sonorous

• True

• False

Pure substances whose molecules consist of only one type of atom are called ______

• Elements

• Compound

• Mixture

Pure substances that are formed when ____ elements combine chemically in definite proportion are called compounds.

• One

• Two

• More than two

• Both B & C

• Both A& B

____ is a mixture and ____ is a compound

• Air, water

• Water,air

Example for solid- Liquid mixture______

• Stones in grains of rice

• Sugar & water

______ is a mixture in which components are distributed non uniformly

• Homogeneous

• Heterogeneous

Example for homogeneous mixture_________

• Glucose in water

• Mud in water