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