Chemistry The material used in the manufacture of lead pencil is Mica Lead Carbon Graphite Mica Lead Carbon Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is an iron ore ? Nitrite Magnetite Lignite Bauxite Nitrite Magnetite Lignite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of CO2 SO2 Unburnt petrol CO CO2 SO2 Unburnt petrol CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ gives hardness to stainless steel. Lead Tin Zinc Carbon Lead Tin Zinc Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Nitrogen Air Hydrogen Helium Nitrogen Air Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Checking the penetration of ultra-violet rays to the earth Higher rate of photosynthesis Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years Checking the penetration of ultra-violet rays to the earth Higher rate of photosynthesis Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years ANSWER DOWNLOAD EXAMIANS APP
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