Is Matter Around us Pure?

When a saturated solution is heated and more solute is dissolved in it, what is such a solution called?

• Supersaturated Solution

• Colloidal Solution

• Aqueous Solution

• Thermo Saturated Solution

Immiscible liquids separate out into layers depending on their

• Volumes

• Weights

• Masses

• Densities

_____________ was the first scientist to coin the term element in _____.

• Robert Boyle, 1683

• Antoine Lavoisier , 1661

• Robert Boyle, 1661

• Antoine Robert Lavoisier, 1743

By which process can we separate cream from milk?

• Centrifugation

• Chromatography

• Promation

• Filtration

Which method do we use to separate two miscible liquids?

• Centrifugation

• Evaporation

• Distillation

• Separating Funnel

A compound can have variable composition.

• False

• Wrong Question

• Sometimes

• True

A sample contains two substances and has uniform properties. The sample is ________?

• A compound.

• A heterogeneous mixture.

• An element.

• A homogeneous mixture.

A mixture will appear translucent in the case of?

• Copper sulphate + water.

• Alum + water.

• Sugar + water.

• Starch + water.

Tags

NGSS.MS-PS1-2

Which of the following is an example of heterogeneous substance?

• Bottled water.

• Table salt.

• Pieces of copper.

• Candle.

Which of the following is an example of homogeneous substance?

• Granite.

• Copper sulphate.

• m&m candy.

• Muddy water.