Chemistry Petroleum is a mixture of Elements Hydrocarbons Polymers Salts Elements Hydrocarbons Polymers Salts ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 3 billion years 0.01 minute 13 days 100 years 3 billion years 0.01 minute 13 days 100 years ANSWER DOWNLOAD EXAMIANS APP
Chemistry The strongest acid of the following is M-nitrophenol O-nitrophenol P-chlorophenol P-nitrophenol M-nitrophenol O-nitrophenol P-chlorophenol P-nitrophenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because Sea animals are salt producing Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea The air around the sea is saltish Sea animals are salt producing Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea The air around the sea is saltish ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Oxides of nitrogen Smoke Oxides of sulphur Hydrocarbon Oxides of nitrogen Smoke Oxides of sulphur Hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The influence of temperature on reaction rate is predicted by Kirchhoff's equation Arrhenius equation Lewis equation Van der Waals equation Kirchhoff's equation Arrhenius equation Lewis equation Van der Waals equation ANSWER DOWNLOAD EXAMIANS APP