Science Question answer collection & Notes page number 3

21. How cloth is cleaned with the help of detergents? - 22. Write five important aspects of chemical equilibrium. - 23. What is bleaching? Write the chemical name and two main uses of bleaching powder. - 24. Write any five functions of Liver. - 25. The process of Kreb's cycle occurs in which organ? Write its four features. - 26. Describe the Blood-groups. - 27. Draw a labeled diagram of excretory system of human. - 28. Write any six chemical properties of metals. - 29. Write any six chemical properties of Non-metals. - 30. Describe following medicinal plants-(i) Haldi, (ii) Garlic, (iii) Amla, (iv) Jeera, (v) Maithi, (vi) Mahua -