The Amazing World of Solutes, Solvents, and Solutions — Science STD 8 — Question

Fine machine parts can be repaired by which process?

Should the handle and bristles of a tooth brush be made of the same material? Explain your answer.

Digital Weighing Balance

Name the product of coal which is thick black liquid having an unpleasant smell.

Which of the two has a shorter reproductive phase of life: men or women?

State whether the following statements are True or False: An embryo is made up of a single cell.

Fill in the blanks with the help of words given in bracket after each sentence. Water which looks clean still has disease carrying ________ and ________ impurities. (insects, microorganism, particles, dissolved, harmful).

Name one crop which can tolerate standing water (water-logging) in the field and one which cannot.

Name the organelle of a plant cell where photosynthesis takes place.

Write the name of a area which is reserved for the protection of wildlife.