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प्रश्न
Wasp sting contains _______.
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उत्तर
Wasp sting contains alkaline substance.
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संबंधित प्रश्न
Give one example in the following case:
A hydroxide which is insoluble in water.
Chemical formula of calcium oxide is _______
All bases are alkalis.
What are the similarities between acids and bases?
Which of the following is not a base?
On adding phenolphthalein indicator to a colourless solution, no change is observed. What is the nature of this solution?
Look at figure which shows solutions taken in test tubes A, B, C and D. What colour is expected when a piece of red litmus paper is dropped in each test tube? Nature of the solutions is given in the table for your help.
| Test tube | Nature of Solution | Change in colour of red litmus |
| A | Neutral | |
| B | Basic | |
| C | Acidic | |
| D | Neutral |
Which of the following pairs are weak bases?
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.
