List of top Questions asked in AP EAPCET

If the roots of the equation \( 3x^2 + 4kx + 3 = 0 \) are non-real, then \( k \) lies in the interval:
If \( \csc\theta \) and \( \cot\theta \) are the roots of \( cx^2 + bx + a = 0 \) where \( bc \neq 0 \), then evaluate \( b^2(b^2 - 4ac) \):
The sum of the fourth powers of the roots of the equation \( 16x^2 - 10x + 1 = 0 \) is:
What are 'X' and 'Y' in the following reaction?
conc.naoh
The sequence of reagents required to convert aniline to benzene nitrile are
The range of the real valued function \( f(x) = \sqrt{9 - x^2} \) is:
If \( f : \mathbb{R} \setminus \{0\} \to \mathbb{R} \) is defined by \( f(x) = x + \frac{1}{x} \), then the value of \( \left(f(x)\right)^2 \) is:
If \( A = \begin{bmatrix} 2 & 0 & -3 \\ 4 & 3 & 1 \\ -5 & 7 & 2 \end{bmatrix} \) is expressed as a sum of a symmetric matrix \( P \) and a skew-symmetric matrix \( Q \), then \( P^T - Q^T \) equals:
If \( A + 2B = \begin{bmatrix} 1 & 2 & 0 \\ 6 & -3 & 3 \\ -5 & 3 & 1 \end{bmatrix} \) and \( 2A - B = \begin{bmatrix} 2 & -1 & 5 \\ 2 & -1 & 6 \\ 0 & 1 & 2 \end{bmatrix} \), then \( \text{Tr}[A] - \text{Tr}[B] \) equals:
The sum of the distinct values of \( x \) for which the matrix \( A = \begin{bmatrix} 1 & 1 & x \\ 1 & x & 1 \\ x & 1 & 1 \end{bmatrix} \) has no inverse, is:
Which of the following are fibrous proteins? Keratin, Insulin, Myosin, Albumin
Which of the following hormones modulate inflammatory reactions?
Correct statements with respect to morphine (X) and Veronal (Y) are
A) Both X and Y are sleep producing agents
B) X is hypnotic and Y is analgesic
C) X is analgesic and Y is hypnotic
D) X is non-narcotic analgesic and Y is antidepressant
Chlorocyclohexane is
Which of the following reagents will convert isobutyraldehyde to the corresponding acid?
What are 'X' and 'Y' respectively in the following reaction sequence?
styrene
This equation represents the preparation of gold sol by \[ 2 \, \text{AuCl}_3 + 3 \, \text{CHO} + 3 \, \text{H}_2 \text{O} \rightarrow 2 \, \text{Au} + 3 \, \text{HCOOH} + 6 \, \text{HCl} \]
2.0 g of activated charcoal is added to 100 mL of 0.5 M acetic acid (molar mass 60 g mol\(^{-1}\)), shaken well and filtered. The concentration of solution is reduced to 0.4 M. How many grams of acetic acid is adsorbed on charcoal per gram?
Identify the correct statements from the following
I. Brass is an alloy of copper and nickel
II. Bronze is an alloy of copper and zinc
III. German silver is an alloy of copper, zinc and nickel
IV. Brass is an alloy of copper and zinc
Match the following
Arrange the oxides CrO, Cr2O3 and CrO3 in the decreasing order of acidic strength
IUPAC name of [Pt(NH$_3$)$_2$Cl(NH$_2$CH$_3$)]Cl is
Which of the polymer is used in the controlled release of drug?
Identify the correct statements with respect to cis / trans-2-butene from the following
I. cis-2-Butene is more polar than trans - 2 Butene
II. melting point of cis-2-Butene is greater than that of trans -2- Butene
III. boiling point of cis-2- Butene is greater than that of trans - 2- Butene
The formula of nickel oxide is Ni\(_{98}\)O\(_{100}\). What is the approximate percentage of Ni\(^{2+}\) in it?