Chemistry Stainless steel is usually made by alloying the steel with Manganese and copper Copper and chromium Chromium and nickel Copper and nickel Manganese and copper Copper and chromium Chromium and nickel Copper and nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH value between 6.5-7.5 makes the soil Acidic Basic None of these Neutral Acidic Basic None of these Neutral 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 CO SO2 Unburnt petrol CO2 CO SO2 Unburnt petrol CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is known as the 'brown coal'? Bituminous Coke Lignite Anthracite Bituminous Coke Lignite Anthracite 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
Chemistry Stains of rust on clothes can be removed by : H2O2 Oxalic acid Alcohol Petrol H2O2 Oxalic acid Alcohol Petrol ANSWER DOWNLOAD EXAMIANS APP
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