Chemistry The buffer action of blood is due to the presence of [HCO3]– and H2CO3 HCI and NaCI CI– and [HCO3]– CI– and [CO3]2– [HCO3]– and H2CO3 HCI and NaCI CI– and [HCO3]– CI– and [CO3]2– ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Potassium Lead Fluorine Aluminium Potassium Lead Fluorine Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals form an amalgam with other metals ? Lead Zinc Mercury Tin Lead Zinc Mercury Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Tetraethyl lead Triethyl lead Tetramethyl lead Trimethyl lead Tetraethyl lead Triethyl lead Tetramethyl lead Trimethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Magnesium carbonate Calcium hydroxide Magnesium hydroxide Sodium bicarbonate Magnesium carbonate Calcium hydroxide Magnesium hydroxide Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many electrons can be accommodated in d-orbital 3 10 6 8 3 10 6 8 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS