List of top Questions asked in AP POLYCET- 2022

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?
Two resistors of Ω 3 and Ω 2 are connected in series and a potential difference of 5 V is applied across them. The potential difference across Ω2 resistor is
The area of current-time graph gives
A bulb is marked 100 W and 240 V. The resistance of the bulb is
Four resistors each of 22 are connected in the form of four sides of a parallelogram. The equivalent resistance between any two opposite corners is
Ohm's law is applicable to
Electric fuse is used in household circuits for the purpose of
The quantity which has the unit ampere-second is
If i1 and i2 are the angles of incidence and emergence respectively and A is the angle of prism, then the angle of deviation is given by
The formation of the rainbow is due to the dispersion of sunlight by the
Pick the correct answer from the following two statements :
(a) In VIBGYOR, wavelength increases from violet to red.
(b) In VIBGYOR, refractive index increases from violet to red. 
Bifocal lenses used to correct the defect of vision are called