Page 1 - HA1
P. 1

SAI International School
                                               Subject - Chemistry
                                                     Class - VIII
                                        Topic – Combustion and Flame
                            Sub-Topic - Green House Effect;Global Warming

                                                Home Assignment


                Objective Questions/MCQS:-


             Q. No.                                   Questions                                 Skill  Marks
               1.         Which of these is not correct for acid rain?                            U       1
                             a.  It causes marble cancer.
                             b.  It causes corrosion of metals.
                             c.  It makes the soil fertile.
                             d.  It affects water bodies.
               2.         A greenhouse helps for the growth of plants. It is made up of           K       1
                             a.  Glass.
                             b.  Metals.
                             c.  Bricks.
                             d.  Wood.
               3.         Which of these is not a greenhouse gas?                                 U       1
                             a.  Carbon dioxide.
                             b.  Nitrogen.
                             c.  Ozone.
                             d.  Water vapour.

               4.         Which of these do not cause the greenhouse effect?                    K&A       1
                             a.  Using manures.
                             b.  Landfilling.
                             c.  Deforestation.
                             d.  Using fertilisers
               5.         Which of these is not the effect of global warming?                    I&E      1
                             a.  Increase in sea level.
                             b.  Melting of glaciers.
                             c.  Floods.
                             d.  Purification of air.













                                                                                                         1
   1   2