List of top Chemistry Questions on Chemical Reaction asked in AP POLYCET

What does an oxidizing agent do?

Which of the following ores undergoes roasting?

In the equation given below, 100 g of CaCO₃ and 73 g of HCl are used to prepare 18 g of H₂O. If 300 g of CaCO₃ and 146 g of HCl are used, then how many grams of H₂O is produced?
CaCO₃ + 2HCl → CaCl₂ + H₂O+CO₂

What is the value of X in the following balanced equation?
 YH₂+O₂ → XH2O

Which of the following is not a chemical process?

The chemical equation BaCl₂ + Na₂SO₄→BaSO ₄ + 2NaCl is an example for which type of the following chemical reactions? 

The names of the sub-shells present in M shell (n= 3) are

The colour of methyl orange in alkaline medium (basic) is

The chemical name of baking soda is

CH₃COOH is an organic

Match the following :

	Ore		Formula
A	Fe3O4	I	Magnesite
B	MgCO3	II	Magnetite
C	ZnS	III	Cinnabar
D	Hg2S	IV	Zinc Blende

The value of x in the following chemical reaction is
\(C_3H_8 + xO_2 \rightarrow YCO_2 + zH_2O\)

Lead nitrate on reaction with potassium iodide gives yellow precipitate. The yellow color is due to
\(Pb(NO_3)_2 + 2KI \rightarrow PbI_2 + 2KNO_3\)