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Question:- The group of metals Fe, Co, Ni may best called as A. transition metals B. main group metals C. alkali metals D. rare metals
Answer:- Option A
Question:- Heavy water is A. deuterium oxide B. PH7 C. rain water D. tritium oxide
Answer:- Option A
Question:- The chemical (ethyl mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of A. bromine B. fluorine C. chlorine D. sulphur
Answer:- Option D
Question:- The element common to all acids is A. hydrogen B. carbon C. sulphur D. oxygen
Answer:- Option A
Question:- Non stick cooking utensils are coated with A. Teflon B. PVC C. black paint D. polystyrene
Answer:- Option A
Question:- Non stick cooking utensils are coated with A. Teflon B. PVC C. black paint D. polystyrene
Answer:- Option A
Question:- Monazite is an ore of A. titanium B. zirconium C. iron D. thorium
Answer:- Option D
Question:- Monazite is an ore of A. titanium B. zirconium C. iron D. thorium
Answer:- Option D
Question:- Carbon, diamond and graphite are together called A. allotropes B. isomers C. isomorphs D. isotopes
Answer:- Option A
Question:- Potassium nitrate is used in A. medicine B. fertiliser C. salt D. glass
Answer:- Option B
Question:- Potassium nitrate is used in A. medicine B. fertiliser C. salt D. glass
Answer:- Option B
Question:- Permanent hardness of water may be removed by the addition of A. sodium carbonate B. alum C. potassium permanganate D. lime
Answer:- Option A
Question:- Soda water contains A. carbonic acid B. sulphuric acid C. carbon dioxide D. nitrous acid
Answer:- Option C
Question:- The most important ore of aluminium is A. galena B. calamine C. calcite D. bauxite
Answer:- Option D