Sour taste
acid
A balanced equation is one that.....
Has the same number/type of atoms on each side of the equation.
Hydrochloric Acid + Magnesium -----> __________ + _____________
Hydrochloric Acid + Magnesium -----> Magnesium Chloride +Water
KOH
potassium hydroxide
I have an ion ratio of H+>>>OH- , describe my colour when universal indicator is added, my pH and my strength.
Red, pH 1-2, Strong Acid
Slippery/soapy feel
base
HCl + Ca(OH)₂ → CaCl₂ + H₂O
2 HCl + Ca(OH)₂ → CaCl₂ + 2 H₂O
Potassium Carbonate + Nitric Acid -----> __________ + _____________ + ______________
Potassium Carbonate + Nitric Acid -----> Potassium Nitrate + Water +Carbon Dioxide
MgO
Magnesium Oxide
Litmus paper turns blue in the presence of this
base
Reacts with base to form salt and water
acid
H₂SO₄ + NaOH → Na₂SO₄ + H₂O
H₂SO₄ + 2 NaOH → Na₂SO₄ + 2 H₂O
The following are produced during a reaction: Hydrogen gas and Copper Sulfate. Write the word equation.
Copper + Sulfuric Acid ---> Hydrogen gas + Copper Sulfate
H2SO4
Sulfuric acid
What type of rain ruins marble sculptures?
Acid rain
Ability to conduct electricity
acids and bases
State the law of conservation of mass..
During a chemical reaction atoms are not created or destroyed, they are rearranged to make new products.
Universal indicator is added to a beaker of NaOH. What is the initial colour? Describe the colour changes expected if HCl is added drop by drop until the solution becomes neutral.
Purple > Blue > Blue/Green > Green
HNO3
nitric acid
Neutralization reactions result in the formation of these products
a salt and water
Reacts with metals to release hydrogen gas
acids
H₂SO₄ + Al(OH)₃ → Al₂(SO₄)₃ + H₂O
3 H₂SO₄ + 2 Al(OH)₃ → Al₂(SO₄)₃ + 6 H₂O
The following is produced during a chemical reaction: Magnesium Oxide. Write the full word equation.
Magnesium + Oxygen ----> Magnesium Oxide
Mg(OH)2
Magnesium Hydroxide
If you have a bee sting, how do you neutralise it?
Bee stings are acidic. Use a base such as baking soda.