Chemistry Lead pencil contains Lead sulphide Lead Graphite Ferrous sulphide Lead sulphide Lead Graphite Ferrous sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of gas constant R in Ergs deg–1 mole–1 is 8.341 × 107 4.183 × 107 8.314 × 107 8.413 × 107 8.341 × 107 4.183 × 107 8.314 × 107 8.413 × 107 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is a polymer of Chloroprene Isoprene Isopentane Isobutane Chloroprene Isoprene Isopentane Isobutane ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because The balloon is weightless Helium pushes down on the air below the balloon Air exerts an upward force on the balloon Helium is less dense than air The balloon is weightless Helium pushes down on the air below the balloon Air exerts an upward force on the balloon Helium is less dense than air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of gobar gas is Carbon dioxide Isobutane Methane Butane Carbon dioxide Isobutane Methane Butane ANSWER DOWNLOAD EXAMIANS APP
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