Solutions Basics

4L of 0.02M aqueous solution of NaCl was diluted by adding one litre of water. The molarity of the resultant solution is

• 0.004

• 0.012

• 0.008

• 0.016

A beaker contains a solution 'A'. Precipitation of substance 'A' takes place when small amount of 'A' is added to the solution. The solution is________

• Saturated

• supersaturated

• unsaturated

• concentrated

The ___ is the thing being dissolved

• solute
• solvent

What is the formula for molarity?

• moles/grams
• moles/kilograms
• moles/milliliters
• moles/liters

The amount of solute that can be dissolved in a specific amount of solvent at a given temperature is its

• concentration.

• density.

• dilution.

• solubility.

When one of the parts of the solution is water we call it _________. 

• water stuff 
• water mixture 
• aqua-man
• aqueous 

In the above picture, a powder is about to be poured into the liquid. Which of the following should be done to make this powder dissolve faster?

• stir the powder in the liquid
• freeze the mixture
• add more powder to the liquid
• store the mixture in a dark place

Tags

NGSS.HS-PS1-5

What would be the effect of increase in temperature on solubility of solid in liquid?

• Solubility increases if the process is endothermic

• Solubility increases if the process is exothermic

• Cannot predict

• Solubility decreses

Effect of temperature on solubility of gas in liquid

• Increases with decrease in temperature

• decreases with decrease in temperature

• Remains constant

Effect of pressure on solubility of gas in liquid

• Directly proportional

• Inversely proportional