Question
Iron sheet kept in moist air covered with rust. Rust
isÂSolution
Rust is an iron oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture 4Fe+2Oâ‚‚  +x Hâ‚‚ O → 2Feâ‚‚  O₃ - x H₃ O Hence rust is a compound.Â
Parity bits" are used for which of the following purposesÂ
In the following question, select the odd word from the given alternatives.
In which Congress Session, was the demand for ‘Purna Swaraj’ adopted?
Which of the following is called the connecting link between plants and animals?Â
Two wires A and B are made of the same material and have the same length but different cross-sectional areas. If the resistance of wire A is 16 times th...
In the year 1911, who among the following formed the Social Service League in Bombay?
The President of India can promulgate ordinances when the Parliament is not in session under which article?
Consider the following statements:
1.Rang Ghar is a 5-storeyed building located in the northeastern state of Assam
2.Rang Ghar was a royal...
If 18 : 24 :: 24 : y, what is the value of y?
A tank whose length, width and height are 23 metres, 20 metres and 15 metres respectively is completely filled with juice. If the juice costs Rs.4/m