Question

. Match the following ( 5*1=5marks)

16. On heating metals (a) folic acid

17. Conversion of liquid into vapour (b) night blindness

18. Reversible change (c) evaporation

19. Vitamin B9 (d) change in size

20. Vitamin A (e) expand

IV. True or False. (10*1= 10 marks)

21. Water is present in the food we eat.

22. Milk is not a mixture.

23. Liquids contract on heating.

24. Coffee is obtained from coffee seeds.

25. The body needs large amount of nutrients.

26. Transparent glass is used in bathroom windows.

27. Farmers clean the grains by hand picking.

28. The evaporation of liquid is an irreversible change.

29. Sprouted pulses are good for health.

30. Solution of salt in water can be separated by filtration.

V. Very short answer type questions.

31. From where spices obtained?

32. What are PCM and PEM?

33. Define soluble and insoluble substances.

34. How do you clean grains at home?

35. What are the various form of changes?

VI. Short answers:

36. What is filtration?

37. Explain physical and chemical change with an example?

38. What are the main functions of protein?

39. What is apiculture?

40. How are stones and pebbles separated from sand at constructions site?​

Answer 1

Answer:

what is apiculture

Explanation:

what is apiculture apiculture