Chemistry Pyrethrin used in mosquito coil is obtained from A bacterium An insect A fungus A seed plant A bacterium An insect A fungus A seed plant ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a common name for the substance which irritates lachrymal glands ? Tear Gas Laughing Gas Anaesthetic Gas Noble Gas Tear Gas Laughing Gas Anaesthetic Gas Noble Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Silicon Thallium Tin Caesium Silicon Thallium Tin Caesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Iodine Potassium iodide Potassium iodate Sodium iodide Iodine Potassium iodide Potassium iodate Sodium iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry A thick paste of cement, sand and water is called R.C.C. Kiln Concrete Mortar R.C.C. Kiln Concrete Mortar ANSWER DOWNLOAD EXAMIANS APP