Deep blue color is imparted to glass by the presence of
1 Iron oxide
2 Cupric oxide
3 Nickel oxide
4 Cobalt oxide
Answers were Sorted based on User's Feedback
Answer / guest
(4) Cobalt oxide
|Is This Answer Correct ?||18 Yes||2 No|
Answer / sarita
|Is This Answer Correct ?||3 Yes||3 No|
Which of the following metals remains in liquid form under normal conditions? 1 Uranium 2 Radium 3 Zinc 4 Mercury
The Contact Process is involved in the manufacture of 1 Nitric acid 2 Sulphuric acid 3 Ammonia 4 Caustic soda
What is the Ecology ?
An atom of an element with mass number 23 and atomic number 11 will have 1 11 neutrons, 12 protons and 11 electrons 2 11 protons, 12 neutrons and 11 electrons 3 11 neutrons, 11 protons and 12 electrons 4 23 protons and 11 electrons
The combustible material at the tip of a safety match sitck is 1 Sulphur 2 Manganese dioxide 3 Phosphorus 4 Antimony sulphide
Water is neither acidic nor alkaline because 1 It cannot accept or donate protons 2 It boils at a high temperature 3 It can dissociate into equal number of hydrogen ions 4 It cannot donate or accept electrons
What is super nova?
The hydrogenation of the vegetables oils takes place in the presence of finely divided 1 Aluminium 2 Charcoal 3 Silica 4 Nickel
In which year the solar observatory in kodikanal founded?
The metallic constituents of hard water are 1 Magnesium, calcium and tin 2 Iron, tin and calcium 3 Calcium, ,magnesium and iron 4 None of these
List and explain two instances of Correlation Science with Life Situation
Which is the largest comet?