Chemistry 'Plaster of Paris' is made by partial dehydration of Epsom salt Gypsum salt Green vitriol Blue vitriol Epsom salt Gypsum salt Green vitriol Blue vitriol ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following ions , the colour is not due to d-d transition ? [CrO4]2− [CoF6]3+ [Cu(NH3)4]2+ [Ti(H2O)6]3+ [CrO4]2− [CoF6]3+ [Cu(NH3)4]2+ [Ti(H2O)6]3+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Nickel Chromium Lead Zinc Nickel Chromium Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is biodegradable ? Paper D.T. Aluminium Plastic Paper D.T. Aluminium Plastic 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 Titanium Iron Copper Aluminium Titanium Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is nicotine caffeine chlorophyll aspirin nicotine caffeine chlorophyll aspirin ANSWER DOWNLOAD EXAMIANS APP
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