Chemistry Pyrethrin used in mosquito coil is obtained from An insect A bacterium A fungus A seed plant An insect A bacterium A fungus A seed plant ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a common name for the substance which irritates lachrymal glands ? Laughing Gas Tear Gas Anaesthetic Gas Noble Gas Laughing Gas Tear Gas Anaesthetic Gas Noble Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Silicon Thallium Caesium Tin Silicon Thallium Caesium Tin 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 Kiln R.C.C. Mortar Concrete Kiln R.C.C. Mortar Concrete ANSWER DOWNLOAD EXAMIANS APP
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