Acidic and Alkaline Solutions

Acids taste

• Fishy

• Salty

• Sour

• Sweet

Answer explanation

Remember: do not taste chemicals in the lab!

The name of the acid in lemon juice is

• citric acid

• ethanoic acid

• lemonic acid

• sulfuric acid

Which of the following safety precautions should you take when handling dilute acids

• Gloves

• Safety Glasses

• Lab coat

• Tie your hair back

• All

Which of these is an acid

• Soap

• Salty water

• Distilled water

• Vinegar

Which of the following is an alkaline solution

• Lemon juice

• Soap

• Sugar solution

• Vinegar

The colour of universal indicator paper in sulfuric acid will turn...

• blue

• Green

• Purple

• Red

The pH of distilled water should be

• 1

• 5

• 7

• 11

When universal indicator solution is added to a substance, the colour changed to yellow. What does this tell you about the substance

• Strong acid

• Strong alkali

• Weak acid

• weak alkali

When phenolpthathline is added to a solution it turns pink. What is the solution

• citric acid

• hydrochloric acid

• sodium hydroxide

• pure water

What type of reaction is the reaction between an acid and a alkali (or base)

(a)  

Tags

NGSS.MS-PS1-5