List of top Questions asked in MHT CET

Earthworms contribute to decomposition by:

Which of the following statements about graphite is correct?

To double the pressure of an ideal gas, keeping volume and number of moles constant, the temperature should be:

The Wolff-Löffler-Kishner reduction is used to convert which of the following compounds into the corresponding alkane?

Which of the following elements is classified as an alkali metal?

Which of the following statements is true about a chiral carbon?

Which of the following compounds is a cyclic allyl?

What is the major product formed when 2-methyl-3-chloropentane undergoes alcoholic KOH elimination (E2 reaction)?

In an isothermal expansion of an ideal gas, the internal energy of the gas:

A system absorbs 50 J of heat and does 10 J of work. What is the change in internal energy (\(\Delta U\)) of the system?

Which of the following correctly represents the bond angle and bond length in the crown-shaped \( S_8 \) molecule?

An AC circuit has a resistance of 150 \(\Omega\), inductive reactance of 250 \(\Omega\), and capacitive reactance of 100 \(\Omega\). What is the phase difference between current and voltage?

Two coherent waves are represented by \( y_1 = a_1 \cos \omega t \) and \( y_2 = a_2 \sin \omega t \), and they are superimposed on each other. The resulting intensity is proportional to:

What is the major organic product obtained when phenol undergoes the Reimer-Tiemann reaction?

What is the major product when toluene reacts with concentrated sulfuric acid (H\(_2\)SO\(_4\)) under heating conditions?

For the reaction, ${CO}_{(g)}+{Cl}_{2(g)}\rightleftharpoons {COCl}_{2(g)}$, then $K_p/K_c$ is equal to:

How does the dynamic resistance of diode vary with temperature?

A transformer is used to light a $100W$ and $110V$ lamp from $220V$ mains. If the main current is $0.5$ amp, the efficiency of the transformer is approximately:

Who first identified the transforming principle ?

A hydrocarbon has molecular formula C2H6. Which of the class of hydrocarbons cannot have this formula?

It is known from past experience that in a certain plant there are on the average $4$ industrial accidents per month. Find the probability that there will be less than $4$ accidents in a given month. Given: $({\mathrm{e}}^{-4}=0.0183)$

If $1.202g{mL}^{-1}$ is the density of $20\mathrm{\%}$ aqueous KI, determine the molality of KI.

If $f(x)$ and $g(x)$ are two probability density functions,$f(x)=\{\begin{array}{cc}\frac{x}{a}+1& :-a\le x<0\\ -\frac{x}{a}+1& 0\le x\le a\\ 0& \text{ otherwise }\end{array}$$g(x)=\{\begin{array}{cc}-\frac{x}{a}& :-a\le x\le 0\\ \frac{x}{a}& :0\le x\le a\\ 0& :\text{ otherewise }\end{array}$Which one of the following statements is true?

Value of $\cos (-{1230}^{\circ })\times \cot (-{315}^{\circ })$ is:

All alkali metals are good dash agents?