Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 138 88 314 50 138 88 314 50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemically ‘Quick Silver is known as Copper Aluminium Mercury Silver Copper Aluminium Mercury Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Smoke Fumes Aerosols Mists Smoke Fumes Aerosols Mists ANSWER DOWNLOAD EXAMIANS APP
Chemistry At room temperature, the metal that remains liquid is: Zinc Mercury Lead Platinum Zinc Mercury Lead Platinum 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? 100 years 3 billion years 0.01 minute 13 days 100 years 3 billion years 0.01 minute 13 days ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical substance present in bones and teeth is Calcium chloride Calcium sulphate Calcium phosphate Calcium borate Calcium chloride Calcium sulphate Calcium phosphate Calcium borate ANSWER DOWNLOAD EXAMIANS APP