question_answer

  Malini stores curd in a beautifully designed copper containers for a party in the evening. The guests complain that curd has turned bitter. She gets embarrassed and feels sorry. One of the guests told her why this happens, so that she would careful next time. (a) What suggestion would have been (b) List values of Malini. (c) What values are shown by the guest? Or Manisha is experimenting with acids in the lab. She is suggested by Nisha to wear lab coat and goggles which she ignores. The acid spills over her dress and burns her hand too. Nisha immediately rescues her by providing first aid and takes her to medical room. (a) Throw light on values of Nisha. (b) What precautions should be taken, while working in laboratory? (c) Give examples of some strong acids.

Answer:

  (a) He suggested her not to store curd in metal container as lactic acid present in curd forms salts with metal which taste bitter.                                                                                                                                                                        (2) (b) Malini has a good aesthetic sense, generous,  polite and courteous.                                                 (c) The guest is intelligent, practical, sharing and convincing.                                                                                Or (a) Nisha is caring, spontaneous, cautious and helpful.                                                                                   (b) In lab, one should wear lab coat and goggles. No chemical should be touched or tasted. Apparatus and materials should be handled with most care.                                                                                                          (c) Some strong acids are etc.                                                                                                            (1)