Science 10Chapter 5 ReviewName:______
- Balance each of the following skeleton equations:
a)___ HCl ___ H2 + ___ Cl2
b)___ C2H2 + ___ O2 ___ CO2 + ___ H2O
c)___ H2SO4 + ___ Ca(OH)2 ___ CaSO4 + ___ H2O
d)___ SrCl2 + ___ NaNO3 ___ Sr(NO3)2 + ___ NaCl
e)___ Cl2 + ___ FeBr3 ___ FeCl3 + ___ Br2
- Write the balanced equation for the following word equations:
a)iron + sodium chloride iron(II) chloride + sodium
b)methane + oxygen carbon dioxide + water
c)phosphorus tribromide + bromine phosphorus pentabromide
d)calcium nitrate + potassium carbonate potassium nitrate + calcium carbonate
- Acids are ______that produce a solution with a pH of ______than 7 and bases are chemical compounds that produce a solution with a pH of ______than 7.
- Neutral compounds have a pH of 7, and are neither ______nor ______.
- Generally, the chemical formula for an acid starts with a(n) ______and the chemical formula for a base ends with a(n) ______.
- Acids generally taste ______and bases generally taste ______.
- Name two acids and explain how they are involved or useful in your everyday life.
- Name two bases and explain how they are involved or useful in your everyday life.
- Give the approximate pH value of the following substances:
a)Eggs _____
b)Oven cleaner _____
c)Lemon _____
d)Water _____
e)Soap _____
f)Stomach acid _____
- On the pH scale, one unit of change represents a ______times change in the degree of acidity or basicity.
- A lemon that has a pH of 2 is ______times more acidic than a tomato that has a pH of 4.
- pH indicators are chemicals that ______depending on the pH of the solution they are placed in.
- Litmus paper can be used to determine if a solution is ______or ______.
- When blue litmus paper is placed in an acidic solution the paper turns ______.
- When red litmus paper is placed in a basic solution the paper turns ______.
- How can you use red and blue litmus paper to tell if a solution is neutral?
- What colour is methyl red at the following pH levels?
a)pH 4 ______
b)pH 6 ______
c)pH 8 ______
- What colour is phenolphthalein at the following pH levels?
a)pH 4 ______
b)pH 6 ______
c)pH 8 ______
- Write the name of each of the following acids:
a)HBr ______
b)H2CO3 ______
c)H2S ______
d)HNO3 ______
e)CH3COOH ______
f)HCN ______
- The common name for the acid found in vinegar is ______.
- The chemical name for battery acid is ______.
- Write the chemical formula of each of the following acids:
a)Hydrochloric acid ______
b)Sulphurous acid ______
c)Hydroiodic acid ______
d)Perchloric acid ______
- The chemical name of the base used as an antacid is ______.
- The chemical name of the base used in oven and drain cleaning products is ______and it’s formula is ______.
- In solution, acids produce ______ions and bases produce ______ions.
- Solutions with a high concentration of hydrogen ions (H+) have a ______(high/low) pH, while solutions with a high concentration of hydroxide ions (OH-)have a ______(high/low) pH.
- When an acidic solution is mixed with a basic solution, they can neutralize each other. Explain why this happens, being sure to write the chemical formula that occurs when hydrogen ions react with hydroxide ions.
- Acids and bases form ______when dissolved in water and are both electrically ______.
- A salt is made up of a ______ion from a(n) ______and a ______ion from a(n) ______.
- The chemical formula for common table salt is ______.
- Describe the term neutralization reaction and provide an example.
- Complete and balance the following neutralization reactions:
a)___ HBr + ___ KOH ______+ ______
b)___ H2SO4 + ___ Mg(OH)2 ______+ ______
c)___ HNO3 + ___ Ca(OH)2 ______+ ______
d)___ CH3COOH + ___ Ba(OH)2 ______+ ______
- A ______is a type of chemical compound that contains a metal chemically combined with oxygen.
- When a metal oxide dissolves in water, the solution becomes ______.
- Complete and balance the following reactions involving metal oxides and water:
a)___ K2O(s) + ___ H2O(l) __2 KOH_____
b)___ MgO(s) + ___ H2O(l) ______
c)___ Li2O(s) + ___ H2O(l) ______
- A non-metal oxide is a type of chemical compound that contains a ______chemically combined with ______.
- When a non-metal oxide ______in water, the solution becomes ______.
- Complete and balance the following reactions involving non-metal oxides and water:
a)___ SO2(g) + ___ H2O(l) ___H2SO3_____
b)___ CO2(g) + ___ H2O(l) ______
c)___ SO3(g) + ___ H2O(l) ______
- Describe how the burning of fuels contributes to the environmental problem of acid precipitation, otherwise known as acid rain.
- When metals react with acids they tend to release ______as a product.
- Organic compounds are compounds containing ______.
- The term organic compound refers to almost all ______compounds, while the term inorganic compound refers to compounds that generally do not contain ______.
- Inorganic compounds that DO contain carbon are ______, ______, and ______.
- Classify each of the following compounds as either organic or inorganic:
a)CaSO4 ______
b)CH4 ______
c)CH3CH2OH ______
d)CO2 ______
e)K2HC6H5O7 ______
f)SiC ______
g)C5H12 ______
h)CoCO3 ______
- A ______is a special type of organic compound that contains only the elements carbon and hydrogen.
- The simplest hydrocarbon is ______. It consists of one carbon atom bonded to _____ hydrogen atoms.
- An alcohol is another special type of organic compound. It contains only the elements ______, ______, and ______.