Chemistry Pyrethrin used in mosquito coil is obtained from A bacterium A fungus A seed plant An insect A bacterium A fungus A seed plant An insect ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a common name for the substance which irritates lachrymal glands ? Noble Gas Tear Gas Laughing Gas Anaesthetic Gas Noble Gas Tear Gas Laughing Gas Anaesthetic 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 ? Sodium iodide Potassium iodide Potassium iodate Iodine Sodium iodide Potassium iodide Potassium iodate Iodine 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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