Chemistry

TARGET SSC: Chemistry Test- 4 1. The pollutant responsible for ozone holes is _____? CO2 SO2 CO CFC 2. One of the best solutions to get rid of non-biodegradable wastes is Burning Dumping Burying Recycling 3. The alkaloid naturally found in coffee, cocoa and cola nut is Cocaine Morphine Tannin Caffeine...

TARGET SSC: Chemistry Test- 3 1. Which of the following has the highest penetration power? Alpha rays Beta rays Gamma rays beta rays and alpha rays 2. For a spontaneous process ∆G is positive ∆G is negative ∆G is equal to zero ∆H is negative 3. The wire of flash...

TARGET SSC: Chemistry Test- 2 1. Which one of the following is negatively charged? Alpha rays Beta rays Gamma rays X- rays 2. Artificial silk is also called rayon Dacron fibre glassss nylon 3. Which one of the following is the unit of radioactivity? Angstrom Candela Fermi Curie 4. The...

TARGET SSC: Chemistry Test- 1 1. Hydrogen was discovered by Cavendish Priestley Boyle Charles 2. Which of the following is used in pencils? Charcoal Graphite Sulphur Phosphorous 3. The rusting of metal iron in air needs both Oxygen and grease Oxygen and  moisture Carbon dioxide and moisture Water and Paint...