Lead oxide on thermal decomposition gives

MnO₂ + 4HCl → ₂ + 2H₂O + Cl₂

Identify the substance oxidized in the above . equation.

When Ag is exposed to air it gets a black coating of

Select the oxidising agent for the following reaction:

H₂S + I₂ > 2HI + S

When S02 gas is passed through saturated solution of H2S, which of the following reaction occurs?

Name the products formed when iron filings are heated with dilute hydrochloric acid

Lead nitrate Pb(NO3)2 on heating forms Lead oxide (PbO) solid and Nitrogen dioxide gas. What is the colour of lead oxide and nitrogen dioxide?

Neutralization reaction is an example of –

In the reaction xPb (NO3 )32 → Heat yPbo + zNO2 + O2 x,y and z are –

What is observed when a solution of potassium iodide is added to silver nitrate solution ?

In the reaction Hg₂Cl₂ + Cl₂ → 2HgCl₂ The reducing agent is

In the reaction FeSo4 + x → Na2 SO4 + Fe(OH)2 , x is –

decoposition of vegitable matter is example of which type of reaction

2AgBr(s) Sunlight → 2Ag(s) + Br2(g)

this reaction is used for

In a chemical reaction between sulphuric acid and barium chloride solution the white precipitates formed are of:

The respiration process is which of the following type of reaction

Rusting of iron involves a chemical reaction which is a combination of

When ferrous sulphate is heated strongly it undergoes decomposition to form ferric oxide as a main product accompanied by a change in colour from:

The displacement reaction between iron (III) oxide and a metal X is used for welding the rail tracks. Here X is:

The neutralization reaction between an acid and a base is a type of:

Which of the following is not a physical change

Which among the following is true about exposure of silver chloride to sunlight for long duration

Would calcium oxide reacts vigoresly with water to form calcium hydroxide accompanied by liberation of heat .this process is known as slaking of lime .calcium hydroxide dissolves in water to form its solution called lime water whivh of the following is true about the following

Which of the following gases is used to store fresh food