Which of the following substances undergoes chemical change
on heating?
1 Sodium chloride
2 Silica
3 Lead nitrate
4 Platinum wire
- 2 Answers
- 11757 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / satyajit nemade
lead nitrate on heating gives lead oxide with the
liberation of nitrogen dioxide gas and oxygen gas
| Is This Answer Correct ? | 20 Yes | 2 No |
What are the divisions of food according to the functions it performs ? Describe them
why nitrogen is about 70%(i.e.)highest percentage in environment
Which gas is used for preparation of soda water? 1 Ammonia 2 carbon dioxide 3 Hydrogen 4 Nitric oxide
Old-written material, which cannot be read easily, can be read by 1 Cosmic rays 2 Ultraviolet rays 3 Infra red rays 4 None of these
Chemical formula for water glass is 1 Na2Sio3 2 Al2O3 3 NaA1O2 4 CaSiO3
What is the Embrylogy ?
What vendors does Ameber Recommed?
What is difference between nanoscience and nanotechnology?
1 Answers GSK GlaxoSmithKline,
Enriched uranium used in a nuclear reactor is 1 Uranium freed of all impurities 2 Uranium treated with radiation 3 Uranium alloyed with aluminum 4 Uranium with a high percentage of a particular isotope
Which of the following acids is used for ‘etching glass’? 1 HBrO3 2 H2F2 3 HCIO4 4 HIO4
How does common salt help in separating soap from the solution after saponification ? 1 By decreasing solubility of soap 2 By increasing solubility of soap 3 By decreasing density of soap 4 By increasing density of soap
What is the Protoplasm ?
Biological Sciences 
