Chemistry Acids and Alkalis

Question	Answer
Which of the pH numbers indicates a neutral substance?	7
What colour is universal indicator in a neutral solution?	Green
Which of the pH numbers indicates a strong acid?	1-3
Which of the following substances contain an alkali? Baking powder Coca cola Distilled water Vinegar	Backing powder
What is a hazard of acids and alkalis?	Corrosive and/or caustic
Which of the pH numbers indicate a strong alkali?	12-14 11 possibly as well but a bit of a stretch.
Which of the following substances are acidic? An orange Bleach Distilled water Washing powder	Orange
What colour is universal indicator in strong acid?	Red
What colour is universal indicator in a strong alkali?	Purple/dark blue

Resource summary

	Created by Anya Wells about 1 month ago