Chemical Reactions
Acids and Bases
Types of Chemical Reactions
Types of Chemical Reactions
Random Questions
100
How would you define a chemical reaction?
When two reactants combine to form a new product.
100
What is the model that helps scientists differentiate an acid from a base?
pH Scale
100
Which type of chemical reaction is shown with this format?
AC + B → AB + C
Single-Replacement Reaction
100
Which type of chemical reaction is shown with this format?
AB + CD → AC + BD
Double Replacement Reaction
100
Ano ang last name ni Rizal?
Rizal
200
Name one of the five indicators of a chemical change.
- Color Change
- Formation of Precipitate
- Release of Gas
- Odor Change
- Temperature Change
200
What is the pH level of a substance which is basic?
Above pH 7
200
What is another term for the combination reaction?
Synthesis Reaction
200
Which type of reaction releases energy or heat when the chemicals are mixed?
Exothermic Reaction
200
Nepal
300
Two chemicals are placed in the beaker which suddenly caused the temperature to drop drastically. What do you call this type of indicator?
Endothermic reaction
300
A gumamela flower was crushed and placed into a water to form a solution. As it was placed in an unknown substance, it changed into a bright red color. What would you call the flower based on the situation?
Indicator.
300
Which type of reaction is present in this chemical equation?
N2(g) + 3H2(g) → 2NH3(g)
Synthesis Reaction
300
Which type of chemical reaction is shown with this equation:
Pb(NO3)2 → PbO + NO2 + O2
Decomposition Reaction
300
Which anime/manga series shows a bald hero who can destroy anything with a singular punch?
One Punch Man
400
Two unknown liquid chemicals were placed in separate beakers. A scientist mixed both chemicals in a beaker and formed a visible solid substance. What do you call the substance called?
Precipitate
400
What type of chemical is shown in the image?
Base / Alkaline
400
What type of chemical reaction is the neutralization of an acid and a base?
Double Replacement
400
What would be the outcome of these chemical reactants?
KSO4 + Ca
There will not be a single replacement reaction.
400
What do you call a tool which aims to secure your personal apparatus, such as PVC cards, physical bills, pictures of your loved ones, and in some cases, metallic currency?
Wallet.
500
Name a use case scenario for a chemical reaction when solving a problem.
Answer is upto you
500
What is a practical scenario when using acids and bases in different industries?
Answer is upto you
500
In your daily life, what is the most common use case of chemical reactions?
Answer is up to you.
500
According to the law conservation of mass, mass can neither be created nor destroyed. How does this law apply to chemical reactions?
Chemical equations must always be balanced on each side, having an equal amount of atoms per reaction.
500
In which album did the song In The End belong to from the alternative rock band, Linkin Park?
Hybrid Theory