Free Chemistry Online Practice Tests
FREE online interactive quizzes on Chemistry 10+2 level
Free Online Test Preparation: Practice tests for chemistry for PET and PMT
Free online chemistry practice test for engineering/medical entrance exams1. Which of the following varies with change in temperature?(a) Mole fraction(b) Molality(c) % (w/w)(d) FormalityAns. (d)2. Which of the following is not a chalcogen?(a) Se(b) O(c) S(d) NaAns. (d)3. A radioactive substance decays to 3/4 of its original value in 2h. The half-life of the substance is:(a) 60 mm(b) 30 mm(c) 90 mm(d) 15 mmAns. (a)4. A compound of vanadium has a magnetic moment of 1.73 BM. What is the oxidation number of vanadium in the compound?(a) +4(b) +3(c) +2(d) +1Ans. (a)5. A bottle of dry ammonia and a bottle of dry hydrogen chloride...