(a). Why is it wrong the treat a bee sting with vinergar?
(b). Why is it wrong to treat a wasp sting with baking soda solution?

(a). What happens during a bee sting? What is its remedy? (b). What happens during a wasp sting? What is its remedy?

Reshma is the student of class X in a city school. One day she was sitting in the school garden with her friends during the recess. There was a tall tree at the edge of the garden having a large honeycomb attached to it. Some students were playing cricket in te school playground. Suddenly the cricket ball hit the honeycomb due to which a large numbr of honey-bees started flying here and there. Reshma was stung on her face by a honey-bee. The sting was so painful that Reshma started crying. She was immediately rushed to the science laboratory. One of her classmates Shanta gave her vinegar solution to rub on the stung area to get relief from pain. Another clasmate Amarjit, howerver, asked Reshma to rub baking soda solution on the stung area of face. On rubbing baking soda solution, Reshma felt a lot of relief from pain. (a) What kind of liquid is injected into the skin when a honey-bee stings a person? (b) Why did rubbing baking soda solution on the stung area of skin give relief from pain? (c) What type of chemical reaction takes place when baking soda solution is rubbed on the honey-bee sting area? (d) Why do you think rubbing the honey-bee sting area with vinegar could not give relief from pain? (e) Name one plant whose stinging hair on leaves inject a similar liquid to that injected by honey-bee sting and can be treated by rubbing baking soda solution? (f) What vaues are displayed by Amarjit in this episode?

Why is a basic substance used to treat a honey bee sting?

A group of students measured the pH of some substances they found in their homes. Their results are given in the following table: (a). What would the student have used to measure the pH? (b). Which solution is the most acidic? (c). Which solution is the most alkaline? (d). Which solutions are neutral? (e) Which solution can be used to treat wasp stings? (f) Which solution can be used to treat bee stings?

For making cake, baking powder is taken. If at home your mother uses baking soda instead of baking powder in cake. (a) How will it affect the taste of the cake and why? (b) How can baking soda be converted in to baking powder ? (c) What is the role of tartaric acid added to baking soda?

A first-aid manual suggests that vinergar should be used to treat wasp stings and baking soda for bee stings. What does this information tell you about the chemical nature of: (a). Wasp stings? (b). Bee stings?

A first aid manusl suggests that vinegar should be used to treat wasp stings and aking soda for bee stings. (i) What dows this information tell you about the chemical nature of the wasp stings ? (ii) If there were no baking soda in the house, what other household substance could you use to treat bee stings

How is the painful effect of a honeybee sting treated ?