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 Laughing Gas Noble Gas Anaesthetic Gas Tear Gas Laughing Gas Noble Gas Anaesthetic Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Caesium Thallium Tin Silicon Caesium Thallium Tin Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Potassium iodate Iodine Potassium iodide Sodium iodide Potassium iodate Iodine Potassium iodide Sodium iodide ANSWER DOWNLOAD EXAMIANS APP
Chemistry A thick paste of cement, sand and water is called Mortar R.C.C. Concrete Kiln Mortar R.C.C. Concrete Kiln ANSWER DOWNLOAD EXAMIANS APP