Font size
WorksheetsSCIENCE FORM 2: ACID AND ALKALI
Total questions: 20
Worksheet time: 16mins
What type of acid can be found in carbonated drinks?
Carbonic acid
Tartaric acid
Citric acid
Is it acid or alkali when the pH is 4
Acid
Alkali
Neutral
Lemon contains acid or alkali or neutral
Acid
Alkali
Neutral
What is an example of neutral substance
Distilled water
Vinegar
Milk
What is the meaning of the above hazard warning symbol?
Corrosive
Explosive
Radioactive
What colour does red litmus paper turn when added to an alkali?
Blue
Red
Colourless
What kind of acid is present in your stomach?
Sulfuric acid
Hydrochloric acid
Nitric acid
Which of the following about properties of acid is not true?
pH less than 7
Tastes bitter
Corrosive
Turns blue litmus paper to red
Which of the following will change the red litmus paper to blue?
Sodium hydroxide
Hydrochloric acid
Sulphuric acid
Nitric acid
State the taste of this fruit?
Tastles
Bitter
Sour
Sweet
What is the example of alkaline substance
bitter gourd
lemon juice
mineral water
Which of the properties of alkaline substance is NOT TRUE?
taste bitter
corrosive
turn red litmus paper to blue
turn blue litmus paper to red
Which of the following can be used to replace lime juice in cooking?
Papaya
Long bean
Tomato
What gas is released when an acid reacts with a reactive metal?
Oxygen
Hydrogen
Carbon dioxide
Blue and red litmus paper are added into a container containing a solid substance. After 5 minutes no changes occur to the blue litmus paper and red litmus paper. Which of the following is the reason for these results?
The substance is alkali
The substance is acidic
The substance is neutral
Acid and alkali shows their properties only in the presence of water.
Which of the following is not an indicator?
colour paper
phenolphthalein
universal indicator
red litmus paper
