Which one of the following covalent substances could exist as a giant structure? A SiCl4B SiO2C IClD Cl2OE H2SF CF4 Answer: 6) B Out of all the options, SiO₂ is the only…

Which one of the following statements is true about the members of a clone? Answer: 2009 Section 2 Question 5 5) E A – Wrong Clones will not always have identical…

A bag contains x red balls, y blue balls and z yellow balls. One ball at random is taken out andreplaced. A second ball at random is taken out and…

Shortly after opening her parachute, a free-fall parachutist of mass 60kg experiences the forcesshown in the diagram. Which line in the table gives the size and direction of the acceleration…

Which of the following could take part in an addition polymerisation?1 CHI₃ 2 C₂₄H₄₈ 3 C₃H7Br 4 C₄H₆Cl₂ 5 C₈H₁₂Cl₄ Answer: 2) E Only molecules that contain a double bond…

Individual A in the family pedigree below is homozygous dominant and individual B is homozygous recessive for a particular feature. What is the percentage probability that individual F is homozygous…