Worksheetsacids,bases, salts
Total questions: 20
Worksheet time: 11mins
Acids are __________, which means they "eat away" at other materials.
transitional metal
alkaline
flammable
corrosive
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.
Where would you say you are on the learning scale ? there is no wrong answer- just be honest!
I've got this! I am at a 4! I can describe what happens when an acid and a base are mixed and explain it to others.
I am at a 3! I can classify an unknown substance as an acid/base/neutral based on its pH.
I am getting better but am only at a 2 - I can recognize or recall specific vocabulary and/or concepts, such as:
Acid, Base, pH Scale, Neutral, Salt
I am still at a 1 - I can recognize how the scale is organized.
1. An example of an acidic oxide is:
MgO
CO2
BaO
Na2O
After a compound X was added to water, the pH using indicator paper was less than 7. The resulting solution was added to some calcium carbonate and it was noted that effervescence took place. What could compound X be?
HNO3
MgO
Na2O
CaO
A solution was added to some ammonium chloride then heated. A gas which had a pungent smell and turned moist red litmus blue was produced. Which of the following could have been present in the original solution?
Hydrochloric acid
vinegar
potassium hydroxide
sodium chloride
Which property does hydrochloric acid have?
It liberates ammonia from ammonium salts
It reacts with any base to give a salt
It reacts with any metal to give hydrogen
It turns red litmus paper blue
A lighted splint was held over a flask in which a gas was given off. The splint went out with a pop. Which gas was given off?
hydrogen
chlorine
oxygen
ammonia
________________ is an example of an amphoteric oxide
aluminium oxide
carbon dioxide
sulphur dioxide
copper oxide
Found in vinegar
acetic acid
sulphuric acid
tartaric acid
carbonic acid
