List of top Questions asked in AP POLYCET

An element with atomic number 14 has a valency of
Which of the following periodic classifications is not based on the atomic weights of elements?
The maximum number of electrons that can be accommodated in a subshell with angular momentum quantum number l is
Which among the following is a non-metal?
The electronic configuration of element 'S' is
Which of the following quantum numbers gives information about orientation of orbital?
Which of the following electromagnetic waves has highest velocity?
Which of the following metal liberates H2 gas on reaction with NaOH?
Who among the following did not propose atomic model?
What is the pH of the salt formed from weak acid and strong base?
Tooth enamel is made up with
Which of the following can't be used as X in the equation given below?
Acid + X Salt + CO2 + Water
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
Which of the following is/are used to detect acidic or basic nature of a solution?
If Q is the heat energy, determine the nature of the reaction in the following equation :
What is the value of X in the following balanced equation?
 YH2+O2 → XH2O
Which of the following is not a chemical process?
The electric power (in kWh) consumed in operating a 60 W bulb for 3 hours a day in a month of 30 days is
The scientist who proposed that the metallic conductors contain large number of free electrons is
Three resistors of 1 Ω, 0.1 Ω and 0.01 Ω are connected in series combination. Their equivalent resistance is
3 volt × 4 coulom b =
On increasing the temperature, the resistance of copper and germanium respectively
Resistance of a wire of length 0.5 m and area of cross-section 10 mm 2 is 1 Ω. The resistivity (in Ω-m) of the wire is
Pick the correct answer from the following two statements
(a) Kirchhoff's junction law is based on the conservation of charge.
(b) Kirchhoff's loop law is based on the conservation of energy. 
Of the two bulbs in a house, one glows brighter than the other. Which of the two has larger resistance?