Have an account?
Skip to Content
Build your own quiz
Suggestions for you
25 questions
Show Answers
See Preview
- 1. Multiple Choice
What is the hazard shown in this hazard sign?
Explosive
Corrosive
Irritant
High level Irritant
- 2. Multiple ChoiceWhat colour is universal indicator in a neutral solution?GreenOrangePurpleRed
- 3. Multiple ChoiceA(n) ______ is a substance with a pH less than 7AcidAlkalineBaseBuffer
- 4. Multiple ChoiceA solution with a pH of 3.6 would be...AcidBaseNeutralAcid and Base
- 5. Multiple Choice
According to the pH range which substance is more acidic than lemon juice?
hydrochloric acid
cabbage
milk
lye
- 6. Multiple Choice
Acid + Alkali --> Salt + Water
neutralization reaction
synthesis
decomposition
single displacement
- 7. Multiple ChoiceA neutralization reaction will always produce...water & saltwatersaltwater & carbon
- 8. Multiple ChoiceAn indicator will ______________ when it is in contact with an acid or baseBubbleForm a new substanceChange colorStay the same color
- 9. Multiple Choice
Complete the following reaction:
Hydrochloric acid + magnesium -->
Magnesium chloride + water
Magnesium + water
Magnesium chloride + hydrogen
Magnesium hydrochloride + water
- 10. Multiple Choice
Complete the word equation below:
Acid + alkali --> ............... + water
water
salt
gold
metal
- 11. Multiple Choice
A few drops of universal indicator caused a solution to turn red. Which of the substance below can we use to neutralise it?
sugar solution
salt solution
alkali solution
acidic solution
- 12. Multiple Choice
How can we tell if enough alkali has been added to neutralise an acidic solution?
a pungent smell is given off as the alkali is added to the solution
there's a change in colour from red to green
there's a change in colour from blue to green
there are bubbles forming on the surface of the mixture
- 13. Multiple Choice
True or False: Acids with a low pH and alkalis with a high pH are considered very dangerous.
True
False
- 14. Multiple Choice
What kind of acid is present in your stomach?
Sulfuric acid
Hydrochloric acid
Citric acid
Nitric acid
- 15. Multiple Choice
Which of the following indicator will show different colour in acid, neutral and alkali?
Phenolphtalein
Universal indicator
Methyl orange
Litmus paper
- 16. Multiple ChoiceWhich characteristics describe an acid?sour, indicator turns red, pH less than 7, produces hydrogen ions (H+)bitter, slippery, indicator turns blue, pH greater than 7, produces hydroxide ions (OH-)neutral, pH of 7sour, indicator turns red, pH greater than 7
- 17. Multiple Choice
Which characteristics describe an alkali (base)?
sour, indicator turns red, pH less than 7, produces hydrogen ions (H+)
bitter, slippery, indicator turns blue, pH greater than 7, produces hydroxide ions (OH-)
neutral, pH of 7
sour, indicator turns red, pH greater than 7
- 18. Multiple Choice
Complete the word equation below.
Magnesium + oxygen --> .....
Magnesium
Magnesium oxide
Oxides
Magnesium oxide + water
- 19. Multiple ChoiceWhen a metal reacts with oxygen gas, the product is ...metal hydroxidemetal oxidemetal oxide and oxygenmetal hydroxide and hydrogen gas
- 20. Multiple Choice
Which statement best describes an element?
pure, made of more than one type of atom
when combined, a chemical reaction forms
pure, made of only one type of atom
can be broken down easily
- 21. Multiple ChoiceWhich one can be found on the periodic table?CompoundElement
- 22. Multiple ChoiceWhich one has more than one type of atom in it?ElementCompound
- 23. Multiple Choice
When two or more different elements chemically combine, a __________________________ is formed.
element
compound
mixture
solution
- 24. Multiple ChoiceWhich of the following represents an element?H2OH2NaClCaCO3
- 25. Multiple Choice
What gas is identified when a burning splint 'pops'?
oxygen
hydrogen
air
carbon dioxide
- Answer choicesTagsAnswer choicesTags