Chemistry Pyrethrin used in mosquito coil is obtained from A seed plant A fungus A bacterium An insect A seed plant A fungus A bacterium An insect 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 Caesium Tin Thallium Silicon Caesium Tin Thallium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Potassium iodate Potassium iodide Sodium iodide Iodine Potassium iodate Potassium iodide Sodium iodide Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry A thick paste of cement, sand and water is called Mortar Kiln Concrete R.C.C. Mortar Kiln Concrete R.C.C. ANSWER DOWNLOAD EXAMIANS APP