Chemistry Dry powder fire extinguishers contain Sand and potassium carbonate Sand Sand and sodium bicarbonate Sand and sodium carbonate Sand and potassium carbonate Sand Sand and sodium bicarbonate Sand and sodium carbonate 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 Which of the following processes is used for the production of Biodiesel ? Transamination Transesterification Translation Transcription Transamination Transesterification Translation Transcription ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, Lead sulphate is consumed Lead is formed SO2 is evolved Sulphuric acid is consumed Lead sulphate is consumed Lead is formed SO2 is evolved Sulphuric acid is consumed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Find the odd one: Marble Limestone Slaked lime Chalk Marble Limestone Slaked lime Chalk ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Will always be positive Can have any value above zero Can never be positive Cannot be negative Will always be positive Can have any value above zero Can never be positive Cannot be negative ANSWER DOWNLOAD EXAMIANS APP