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Science 30 Chemistry Diploma Flashcards | StudBud

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Molar mass of CO2?

Common element in organic compounds?

Science 30 Chemistry Diploma

19 terms·StudBud Administration

Test your knowledge on various aspects of chemistry, from chemical formulas to reactions and elements.

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Questions 19

Answers

1
Common element in organic compounds?
Carbon
Nitrogen
Oxygen
Hydrogen
2
Molar mass of CO2?
18 g/mol
44 g/mol
32 g/mol
28 g/mol
3
Which ion causes acidity?
H+
Cl-
Na+
OH-
4
pH of 2 indicates?
Weak base
Strong base
Neutral
Strong acid
5
Sulfur dioxide and water vapor mix?
No reaction
Acid rain forms
Neutral solution
Base forms
6
Solution turning phenolphthalein pink?
Neutral solution
Acidic solution
Basic solution
Salty solution
7
Neutral solution's pH is?
14
7
0
1
8
Endothermic reaction requires heat?
True
False
9
Bond holding water molecules?
Hydrogen bond
Metallic bond
Covalent bond
Ionic bond
10
Main component of fossil fuels?
Hydrogen
Nitrogen
Carbon
Oxygen
11
Chemical symbol for lead?
Pd
Pt
P
Pb
12
What is water's chemical formula?
CO2
H2O
O2
NaCl
13
Strongest acid: sulfuric, carbonic, acetic?
Acetic
None
Carbonic
Sulfuric
14
Combustion products of hydrocarbons?
Nitrogen and water
Oxygen and water
Hydrogen and CO2
CO2 and water
15
Catalyst's role in reactions?
Slows down reaction
Speeds up reaction
Stops reaction
No effect
16
Chemical symbol for sodium?
Na
N
S
Si
17
Hydrochloric acid and sodium hydroxide produce?
Gas
Acid
Base
Salt and water
18
Gas from acids and metals?
Nitrogen
Hydrogen
Carbon dioxide
Oxygen
19
Identify a chemical reaction?
No change
Color change
Same state
No heat