CHEMISTRY ONE LINER SET 07
1. Chocolates can be bad for health because of a high content of which element? Nickel2. Galvanised iron sheets have a coating of which metal? Zinc
3. Chlorophyll is a naturally occuring chelate compound, what is the central metal in this?
Magnesium
4. Chemical name of Washing soda is? Sodium carbonate
5. What will you put into pure water in order to pass electric current through it? Common Salt
6. Which fuel causes minimum environmental pollution? Hydrogen
7. Which hydrocarbon is mainly present in gobar gas? Methane
8. The cause of fractional atomic weights of elements? The presence of Isotopes
9. Which gas has maximum calorific value? Oil gas
10. Phosgene is obtained by the reaction of carbon monoxide and which gas? Chlorine
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