Fe2O3(s) + 2 AI (s) ➝ 2Fe (s) + Al2O3 (s)
The reaction is interpreted as
An example for a displacement reaction is
The metal which can displace Ag from its salt solution is
Zincgranulesare added to blue coloured CuS04 solution ina test tube. Which of the following observations is correct?
In the reaction 3Mg + S02 ➝ 2MgO + MgS, Mg acts as
Identify the correct colour change in the following displacement reaction.
Fe (s) + CuS04 (aq) ➝ FeS04 (aq) + Cu (s)
Compound (X) on thermal decompositon produces a brown coloured gas (X) is
White washing with slaked lime gives a shiny appearance to the walls after two to three days. It is due to the formation of
Metal X forms a chloride Y,which is used in black and white photography. Yturns grey in sunlight, to give X and a gas Z. X, Yand Z respectively are
The reaction between methane and oxygen can be represented as
CH4(g) + 202(g) ➝ CO2(g) + 2H2O + Heat
In which of t.he following type(s), the above reaction can be classified?
i. Displacement reaction
ii. Exotherraic reaction
iv. Combination reaction
Get a Complete access of NTSE - X Standard Online practice tests - 100+ Mock Tests , 1000+ Online Practice tests, 100+ Previous Year questions and More