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