Question 1 Name the nutrients present in our food which give mainly energy to our body? Question 2 Name the nutrient which is needed for the growth and repair of our body? Question 3 Name the major nutrients in our food? Question 4 Name few foods each rich in fats, proteins, carbohydrates, vitamins, minerals? Question 5 Name the vitamin which is required for … [Read more...] about Components of Food
minerals
Occurrence of Metals-concentration of ore
Question 1 Why most of the metals do not occur as free elements? Question 2 What are minerals? Question 3 Define the term ore? Question 4 Define the term metallurgy? Question 5 Define the term extraction? Question 6 Name the three steps of metallurgy? Question 7 What is gangue? Question 8 What do you mean by concentration of ore? Occurrence of Metals Most … [Read more...] about Occurrence of Metals-concentration of ore