List of top Questions asked in AP EAPCET- 2023

Identify the correctly matched pairs.
  1. \(\mathrm{TiO_2}\) – Pigment industry
  2. \(\mathrm{MnO_2}\) – Dry battery cells
  3. \(\mathrm{Cu/Ni}\) alloy – UK 'copper' coins
In which of the following pairs the polymer is correctly matched with the forces possessed by them?
A. Neoprene —- Weak intermolecular forces
B. Terylene —- Hydrogen bonding
C. Polystyrene —- Very weak intermolecular forces
D. Polythelene —- Hydrogen bonding
Hypothyroidism is due to
A. High level of iodine in the diet
B. Enlargement of thyroid gland
C. Low levels of iodine in the diet
D. Increased levels of thyroxine
Ortho-sulphobenzimide is used as:
Two statements are given below
Statement I: Chlorobenzene on nitration gives 1-chloro-4-nitrobenzene as major product
Statement II: Chlorobenzene undergoes nitration slowly than benzene
Identify the correct answer
In SN2 reaction, the carbon in the transition state is:
Identify X, Y and Z in the following reactions sequence:
X, Y and Z in the following reactions sequence
Which of the following produces nitrogen gas after the reaction with nitrous acid?
Men produ sperms from which age onwards?
Energy currency of the ll is called __.
If $\vec{a} = 2\hat{i} - \hat{j} + 3\hat{k}$, $\vec{b} = -3\hat{i} + 5\hat{j} - 4\hat{k}$, $\vec{c} = 6\hat{i} - 4\hat{j} + 5\hat{k}$, then $(\vec{a} \times \vec{b}) \cdot (\vec{b} \times \vec{c}) = $
Which one of the following is false?
Given independent events A, B, and C with rtain intersection probabilities, find $P(A)$, $P(B)$, and $P(C)$.
Probability that missing card is not a spade, given two drawn cards are spades?
If A speaks truth with probability $\frac{4}{5}$ and B with $\frac{3}{4}$, find probability they contradict.
In triangle $\triangle ABC$, $A=(1,2)$ and the equations of medians through $B$ and $C$ are $x+y=5$ and $x=4$. Find area of triangle ABC.
The equation of the line, passing through the point $(a\cos^3\theta, a\sin^3\theta)$ and perpendicular to the line $x\sec\theta - y\csc\theta = a$, is
If the lines joining the origin to the points of intersection of a line $L$ and $x^2 + y^2 = 4$ are the coordinate axes, then the equation of the line $L$ is
If the chord through $(1,-2)$ cuts the curve $3x^2 - y^2 - 2x + 4y = 0$ at P and Q, then the angle subtended by PQ at the origin is
The transformed equation of $2x^2 + 3y^2 - z^2 - 8x + 18y + 2z + 9 = 0$ when the axes are translated to the point $(2,-3,1)$ is
If a point R$(4,y,z)$ lies on the line joining $P(2,-3,4)$ and $Q(8,0,10)$, then distan of R from origin is
If the foot of the perpendicular drawn from $(0,0,0)$ to a plane is $(1,2,3)$, then the equation of the plane is
The line $3x+y-5=0$ touches a circle S at $(1,2)$. If $(h,k)$ is the ntre of the circle S such that $h^2+hk+k^2=37$ and radius is $\sqrt{10}$, then $k=$
If $x+y-1=0$ and $2x - y + 1=0$ are conjugate lines with respect to the circle $x^2 + y^2 - 4x + 2fy - 1 = 0$, then $f=$
If $(2,3)$ is the vertex and $(3,2)$ is the focus of a parabola, then its equation is