Read the following. Classify them basing on consuming them with peels or without peels. (a)Banana (b) Seedless grapes (c)Sapota (d)Apples (e) Sweets lime (f) Staw-berry (g) Mango (h) Guava

Which of the following materials fall in the category of a "pure substances"? Give reasons. (a) Ice (b) Milk (c ) Iron (d) Hydrochloric acid ( e) Calcium oxide (f) Mercury (g) Brick (h) Wood (f) Air

Read the following arrange them in a correct sequence in the activity of Epinephrine on the liver cells A)Formation of cAMP B)Epinephrine binds to membrane receptor C)Activation of phosphorylase D)G protein binds to GTP and activates adenylate cyclase E)Activation of protein kinase A F)Phosphorylation of glycogen to glucose-6 phosphate

classify the following processes into physical changes or chemical changes? (a) Twinkling of stars (b) Cooking of vegetables (c) Cutting of fruits (d) Boiling of waters. (e) Rusting of iron (f) Combustion of magnesium ribbon (g) Burning of candle (h) Melting of wax

Explain Lewis acid base theory with suitable example. Classify the following species into Lewis acids and Lewis bases and show how these act as Lewis acid/base. a. OH^(-) b. F^(-) c. H^(+) d. BCl_(3)

Classify the following into elements, compounds and mixtures . a) Sodium b) Soil c) Sugar Solution d) Silver e) Calcium carbonate f) Tin g) Silicon h) Coal i) Air J) Soap k) Methane l) Carbondioxide m) Blood

Classify the changes involved in the following processes as Physical, Chemical or both. a) Burning of coal b) Melting of wax. c) Beating aluminium to make aluminium foil. d) Digestion of food. e) Boiling of egg. f) Photosynthesis. g) Cutting of wood

Consider the following statements and select correct set respect to global warming (a) EI Nino effect (b) Cooling of stratosphere (c) Shifting of climatic zones (d) Snow blindness (e) Impairment of hearing (f) Excessive deposition of ice at poles (g) Rise in sea level (h) Increase in eutrophication