Advertisements
Advertisements
प्रश्न
Wasp sting contains _______.
Advertisements
उत्तर
Wasp sting contains alkaline substance.
APPEARS IN
संबंधित प्रश्न
Give one example in the following case:
A basic oxide which is soluble in water.
Bases are soapy to touch when they are dry.
Bases are chemical substances that are corrosive and ______ in taste.
Match the following:
| 1. | Sulphuric acid | a. | Weak base |
| 2. | Sodium hydroxide | b. | Strong acid |
| 3. | Acetic acid | c. | Strong base |
| 4. | Ammonium hydroxide | d. | Weak acid |
All bases are alkalis but all alkalis are not bases.
What is the role of toothpaste in the prevention of tooth decay?
Which of the following pairs are weak bases?
______ alkali has a relatively high percentage of alkali in its aqueous solution.
What does the acidity of the base mean?
A small amount of copper oxide was taken in a beaker and dilute hydrochloric acid was added with continuous stirring of the solution. Name the compound formed and state the colour of its solution. Write the balanced chemical equation for the reaction that occurs. Based on the reaction, state the nature (acidic/basic) of copper oxide.
