Demonstration of osmosis in an egg1. Take a beaker containing dilute Hydrochloric acid. Put an egg inside the beaker.2. The hard shell of the egg, which is made up of calcium carbonate, gets dissolved. The egg is now enclosed by a thin outer semi - permeable membrane.3. Put this deshelled egg in pure water. After a few minutes the egg swells up. The swelling is due to the movement of water into the egg by osmosis from the external environment.
Which of the following are correct : (a) The hard shell of the egg is made up of chitin. (b) To demonstrate the osmosis in egg we need to dip the egg in sodium chloride solution. | |||
Right Option : D | |||
View Explanation |
Which of the following are correct : (a) The hard shell of the egg is made up of calcium carbonate. (b) To demonstrate the osmosis in egg we need to dip the egg in hydrochloric acid. | |||
Right Option : C | |||
View Explanation |
After dipping the egg in hydrochloric acid, the hard shell of the egg, which is made up of _________________, gets dissolved. | |||
Right Option : A | |||
View Explanation |
One of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
A marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
My experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
About Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
My experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
It was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
It has a great methodology. Students here can get analysis to their test quickly.We can learn easily through PPTs and the testing methods are good. We know that where we have to practice
My experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
It was good as the experience because as we had come here we had been improved in a such envirnment created here.Extra is taught which is beneficial for future.
Abhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.