WorksheetsAcids, Bases, and Solutions
Total questions: 25
Worksheet time: 23mins
People often put sugar in their tea to make it sweet. Under what condition will the sugar dissolve the fastest?
When the tea is cold.
When the tea is dark.
When the tea is hot.
When the tea is in a tall glass.
Which solution is the most concentrated,
Mixture 1
Mixture 2
Mixture 3
Mixture 4
What is a substance that is dissolved in another substance?
solution
solvent
solute
compound
What is a solvent?
The substance that does the dissolving in a substance
The mixing of different substances
The substance that is being dissolved in a solution
The process in which neutral molecules lose or gain electrons
What is another name for a homogenous mixture?
compound
solution
element
Kool aid powder, water, sugar
Identify the solvent
Kool aid powder
water
sugar
Kool aid powder and sugar
How do you know when you have a saturated solution?
You don't see anymore solute in the solution. It has dissolved
The solution is bubbly and cloudy
The solute dissolves and no more will dissolve because if you added more it would collect at the bottom.
The solution is clear and there is nothing at the bottom
How many grams of K2Cr2O7, are soluble in 100 g of water at 95 ºC?
83 grams
40 grams
75 grams
12 grams
How does a solution become supersaturated?
dissolve lots of solvent in it
dissolve too much solute
dissolve a little solute
dissolve a super amount of solvent
When 20 grams of potassium chlorate, KClO3, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:
supersaturated
unsaturated
saturated
The rate that gases dissolve in water decreases as the temperature increases
true
false
The rate that solids dissolve in water increases as temperature increases
True
False
Which of the following actions will NOT increase the rate of dissolution (dissolving) of solids in liquids
stirring the solution
increasing the surface area of the solute
increasing the temperature
decreasing the temperature
A substance is found to have the following characteristics:
Very bitter taste
Feels slippery to the touch
Produces OH- ions when dissolved in water
In what category would the substance be classified?
acid
base
enzyme
fatty acid
Which of the following statements is correct?
Blue litmus paper turns red when it is placed in a base
Blue litmus paper stays blue when it is placed in an acid
Red litmus paper turn blue when placed in a base
Red litmus paper stays red when it is placed in a base
According to the pH range which substance is more acidic than lemon juice
Hydrochloric Acid
Milk
Cabbage
What pH is the strongest base
1
7
4
14
When 80 grams of sodium nitrate, NaNO3, is dissolved in 100 grams of water at 10 ºC, the solution can be correctly described as:
Unsaturated
Saturated
Supersaturated
When 90 grams of potassium chlorate, CaCl2, is dissolved in 100 grams of water at 20 ºC, the solution can be correctly described as:
Saturated
Unsaturated
Supersaturated
NaCl has a higher solubility than KCl at 50° C
True
False
How much sodium nitrate,NaNO3, would completely dissolve in 100g of water at 0°C
80 g
10 g
72 g
100 g
Which type of medicine has more surface area: powder in a capsule or a tablet
powder in a capsule
tablet
If 50 g of Sodium Chloride, NaCl, is dissolved in 100 grams of water at 40°C will the solution be saturated, supersaturated, unsaturated?
Saturated
Unsaturated
Supersaturated
At 70°C KCl has a higher solubility than KClO3
True
False
What is the pH of a neutral substance
1
9
7
13
