Q1. What is the colour of the precipitate which is formed when aqueous solutions of sodium sulphate and Barium chloride are mixed?
Q2. Which one is least reactive?
Q3. The main function of phloem in plants is to
(a) Translocate the injured parts
(b) Repair the injured parts
(c) Transport water
(d) Help in transpiration
Q4. Which among the following is amphoteric oxide?
Q5. Thromboplastin required for blood clotting is secreted by
Q6. Disease causing agent is known as
Q7. Symbiotic association of algae and fungi is
Q8. Two magnetic lines of force
(a) Intersect at the neutral point
(b) Intersect near North or South Pole
(c) Cannot intersect at all
(d) Intersect according to the position of magnet
Q9. For which colour of light the focal length of a lens will be maximum?
Q10. If the kinetic energy of a body is increased by 0.1%, then increase in its momentum will be