Class 7ScienceAcids, Bases and Salts
Acids
Acids taste sour (lemon juice, vinegar). Turn blue litmus RED. Release Hโบ ions in solution. Examples: HCl (hydrochloric acid โ in stomach), HโSOโ (sulphuric acid), HNOโ (nitric acid), CHโCOOH (acetic acid in vinegar), citric acid (in citrus fruits). Strong acids: HCl, HโSOโ (fully dissociate). Weak acids: CHโCOOH, citric acid.
10 examples
Concept check 1
For Class 7 Science, explain or solve a acids question from the chapter "Acids, Bases and Salts". Focus on concept check and show the working clearly.
Definition to application 2
For Class 7 Science, explain or solve a acids question from the chapter "Acids, Bases and Salts". Focus on definition to application and show the working clearly.
Formula warm-up 3
For Class 7 Science, explain or solve a acids question from the chapter "Acids, Bases and Salts". Focus on formula warm-up and show the working clearly.
Reasoning practice 4
For Class 7 Science, explain or solve a acids question from the chapter "Acids, Bases and Salts". Focus on reasoning practice and show the working clearly.
Board-style short answer 5
For Class 7 Science, explain or solve a acids question from the chapter "Acids, Bases and Salts". Focus on board-style short answer and show the working clearly.
Mistake correction 6
For Class 7 Science, explain or solve a acids question from the chapter "Acids, Bases and Salts". Focus on mistake correction and show the working clearly.
Visual interpretation 7
For Class 7 Science, explain or solve a acids question from the chapter "Acids, Bases and Salts". Focus on visual interpretation and show the working clearly.
Applied word problem 8
For Class 7 Science, explain or solve a acids question from the chapter "Acids, Bases and Salts". Focus on applied word problem and show the working clearly.
Revision challenge 9
For Class 7 Science, explain or solve a acids question from the chapter "Acids, Bases and Salts". Focus on revision challenge and show the working clearly.
Exam recap 10
For Class 7 Science, explain or solve a acids question from the chapter "Acids, Bases and Salts". Focus on exam recap and show the working clearly.