PDF chapter test TRY NOW

1. There is a game among five friends during the leisure period. Nevil, one of the five friends, is the finder. He has to find the liar. Henry tells that orange has ascorbic acid. Deepak tells that soap solution is a base. Divya claims that vinegar is a neutral solution. Suresh says that lime has a sour taste. Help Nevil to win the game. Who is the liar?
 
2. Divya threw a white cloth bag in the washing machine by accident. She kept some China roses in her bag. She took them outside after they had dried and was surprised. There are some green stains on the white fabric. She became confused. Let her out of her muddle. Any of the following factors contributes to the colour green?