Which of the following is a chemical reaction

Which of the following is not a chemical reaction

Evolution of Gas Occurs during

Which of the following signifies ‘Change in State’

Which type of changes may occur during a chemical reaction?

The equation CH4  +  2O2   ->  CO2  +  2H2O is

Which of the following is a balanced chemical reaction

Chemical Equation is

The Chemical Equation in which, elements on reactant side are equal to elements, on products side then such equation is

Identify the type of chemical reaction 2AgCl(s) + Energy (Sunlight)   ——————->      2Ag(s)  +  Cl2(g)

Identify the type of chemical reaction  CH4(g) + 2O2(g)  ->  CO2(g) + 2H2O(g) + Heat

Identify the type of chemical reaction C + O2  -> CO2

The chemical reaction in which one substance decomposes so as to produce two or more substances then such reaction is called?

Which chemical substance is a precipitate in the reaction  Na2SO4(aq)  +  BaCl2(aq) ——–>  BaSO4(s)  +   2NaCl(aq)

Precipitation reaction is

Fe(s)  +  CuSO4(aq) —–>   FeSO4(aq)  +  Cu(s) is a

Reaction in which two different atoms or group of atoms (ions) are exchanged, is known as

If one element displaces another element from its compound then such reaction is

Fats and oils change their smell and taste because of

Which of the following is example of corrosion

MnO2 + 4HCl —->   MnCl2 + 2H2O + Cl2 is an example of

2Cu + O2 + Heat —————>  2CuO is a type of

The reaction in which oxidation and reduction occurs simultaneously is called

Gain of hydrogen or loss of oxygen is

Gain of oxygen or loss of hydrogen is