Some chemical equations are given below. Note down the number of reactant atoms and that of product atoms in the table given below.
1. `C+ O_2 rarr CO_2` 2. `N_2 + H_2 rarr NH_3` 3. `2H_2O_2 rarr 2H_2 O+O_2` 4. `SO_2 + O_2 rarr SO_3` 5. `BaCl_2 +H_2SO_4 rarrBaSO_4 +2HCl`
Balance the equations which are unbalanced.

Some chemical equations are given below 1)C+0_2 rarr CO_2 2)CH_4+2O_2 rarrCO_2+2H_2O 3)N_2+O_2 rarr NO 4)CaCO_3 rarr CaO+CO_2 5)H_2+I_2 rarr HI 6)Fe+HCl rarr FeCl_2+H_2 7)CO_2+C rarr CO Balance the unbalance equations.

Some chemical equations are given below 1) C+O_2 rarr CO_2 2) CH_4+2O_2 rarrCO_2+2H_2O 3) N_2+O_2 rarr NO 4)CaCO_3 rarr CaO+CO_2 5)H_2+I_2 rarr HI 6)Fe+HCl rarr FeCl_2+H_2 7 )CO_2+C rarr CO Which of these are balanced equations ?

Some chemical equations are given below 1)C+O_2 rarr CO_2 2)CH_4+2O_2 rarrCO_2+2H_2O 3)N_2+O_2 rarr NO 4)CaCO_3 rarr CaO+CO_2 5)H_2+I_2 rarr HI 6)Fe+HCl rarr FeCl_2+H_2 7)CO_2+C rarr CO Which among these are redox reactions ?

Among the following, the number of compounds that can react with PCl_5 to give POCI_3 is O_2 , CO_2 , SO_2 , H_2 O , H_2 SO_4 , P_4 O_(10)

which type of reactions is given below. CH_3CH_2Br+OH rarr CH_2=CH_2+H_2O+Br^-

A chemcial equation is given below. Write type of chemical reaction. CH_2=CH_2+3O_2rarr2CO_2+2H_2O

Classify the given chemical reactions into combination,displacement,decomposition and double dispacement reaction. a) Mg + O_2 rarr 2MgO b) H_2 + I_2 rarr 2HI c) 2H_2O rarr 2H_2 + O_2 d) NaCl + AgNO_3 rarr AgCl + NaNO_3 e) Zn SO_4 + BaCl_2 rarr BaSO_4 + Zn Cl_2 f) Zn + H_2SO_4 rarr ZnSO_4 + H_2 g) FeSO_4 + Zn rarr ZnSO_4 + Fe h) CaCO_3 rarr CaO + CO_2

A list of reactions of sulphuric acid are given below. Zn + H_2SO_4 rarr ZnSO_4 + 2H_2O + SO_2 . 2C_2H_5OH + H_2SO_4 rarr C_2H_5-O-C_2H_5 + H_2O . 2NaOH + H_2SO_4 rarr Na_2SO_4 + 2H_2O . HCOOH + H_2SO_4 rarr H_2O + CO . 3H_2S + H_2SO_4 rarr 4H_2O + 4S . 2P + 5H_2SO_4 rarr 2H_3PO_4 + 2H_2O + 5SO_2 .Classify the reactions Into 3 sets based on the following properties of H_2SO_4 :- Oxidising property.