Advertisements
Advertisements
प्रश्न
The litmus paper or the litmus solution is obtained from ________ plant
(A) Moss
(B) Lichen
(C) Rose
(D) Hibiscus
Advertisements
उत्तर
Lichen
APPEARS IN
संबंधित प्रश्न
Write a word equation and then a balanced equation for the reaction taking place when:
Dilute hydrochloric acid reacts with magnesium ribbon.
What ions are present in the solution of the following substance? (write the symbols only)
Nitric acid
What ions are present in the solution of the following substance? (write the symbols only)
Sodium hydroxide
With which substance should chlorine be treated to get bleaching powder?
What is the chemical name of bleaching powder?
State two uses of the following compound:
Sodium hydroxide
Write the chemical formula of washing soda. How can it be obtained from baking soda? List two industries in which washing soda is used for other purposes than washing clothes.
Answer the following question.
Identify the acid and base which form sodium hydrogen carbonate. Write the chemical equation in support of your answer. State whether this compound is acidic, basic, or neutral. Also, write its pH value.
Acids turn blue litmus paper to ______.
Which of the following salts does not contain any water of crystallisation?
To protect tooth decay, we are advised to brush our teeth regularly. The nature of the tooth paste commonly used is
Which of the following statements is true for acids?
Acids present in fruits and vegetables are called ______ acids.
Vinegar is ______ in taste.
Which acid is present in milk?
“All acids contain one or more hydrogen atoms, but not all substances containing hydrogen are acids.” Support this statement with examples.
Write notes on the properties of acids.
