Chemistry Which of the following is not a precious/semi-precious stone? Pearl Emerald Sapphire Ruby Pearl Emerald Sapphire Ruby ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is 4 –4 8 Zero 4 –4 8 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A seed plant A bacterium An insect A fungus A seed plant A bacterium An insect A fungus ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Aluminium Copper Titanium Iron Aluminium Copper Titanium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is Zeolite? Dehydrated Calcium Sulphate Hydrated Aluminosilicate Hydrated Calcium Sulphate Dehydrated Aluminosilicate Dehydrated Calcium Sulphate Hydrated Aluminosilicate Hydrated Calcium Sulphate Dehydrated Aluminosilicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Hydrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Hydrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS