List of top Questions asked in MHT CET

The number of electrons, protons and neutrons in a species are equal to $18$, $16$ and $16$ respectively. Assign the proper symbol to the species.

Plastic used to preserve yogurts is replaced with a polymer called polylactic acid is an example of ____________.

Heavy water is _________. 

$12g$ of urea is present in 1 litre of solution and $68.4g$ of sucrose is separately dissolved in 1 litre of another sample of solution. The lowering of vapour pressure of first solution is:

A catalyst is added to a reaction to increase the rate of reaction. Which of the following statements is correct?

Which of the following compounds give(s) positive test with Tollens' reagent?A. Carboxylic acidB. AlcoholC. Alpha hydroxy ketonesD. Aldehydes

Identify the element with the atomic number 10.

First organic compound to be synthesised was_______.

A high molecular weight compound formed by combining large numbers of small molecules of low molecular weight is called:

If a $Z{n}^{2+}/Zn$ electrode is diluted $100$ times, then the emf will show: 

Two different first order reactions have rate constants ${\mathrm{k}}_1$ and ${\mathrm{k}}_2$ at ${\mathrm{T}}_1({\mathrm{k}}_1>{\mathrm{k}}_2)$. If temperature is increased from ${\mathrm{T}}_1$ to ${\mathrm{T}}_2$, then new constants become ${\mathrm{k}}_3$ and ${\mathrm{k}}_4$ respectively. Which among the following relations is correct?

The increasing order of basicity of the following compounds is:

Molecules: General formula. (n represents the number of carbon atoms in chain)1. Aldehydes: $C_n{H}_{2n}O$2. Carboxylic acids: $C_n{H}_{2n}{O}_2$3. Cycloalkanes: $C_n{H}_{2n}$4. Alkanes: $C_n{H}_{2n+2}$Which of the above matching is correct? Choose from the options given below:

 Match column A with column B:Column AColumn B1. Rayona. Coating of non-stick2. Teflonb. Handles and Switches3. Bakelitec. Pipes4. PVCd. Clothes

In which of the following type of nano-material, one dimension is outside the nano scale?

Carrier ions like sodium ions facilitate the absorption of substances like:

The solubility (in $\mathrm{mol}{L}^{-1}$) of $AgCl(K_{sp}=1.0\times {10}^{-10})$ in a $0.1MKCl$ solution will be:

A reaction has both ΔH and ΔS negative. The rate of reaction:

Which element has three shells which are completely filled with electrons?

The value of gas constant per degree per mole is approximately:

Match correctly the functional group given in List-I with the Nomenclature of that functional group given in list-II:List IList IIa. Aldehydei. Propanoneb. Halogenii. Propanalc. Ketoneiii. Propanold. Alcoholiv. Bromopropane

Recognize the figure and find out the correct matching.

Plasmids are used as cloning vectors for which of the following reasons?

If $A=\left[\begin{array}{cc}\cos \alpha & \sin \alpha \\ -\sin \alpha & \cos \alpha \end{array}\right]$ then $A{A}^T$ is equal to: (where $A^T$ is the transpose of $A)$

Direction: Each of the questions below consists of a question and three statements numbered I, II and III given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the statements and give answer:On a recent journey Aman drove from City A to city B to city C. His average speed for the whole journey was 60 km/hr. Find the average speed on his journey from city B to city C.Statement I:  Average speed during the journey from city A to city B is 48 km/hr Statement II: Total time taken for the entire journey is 3 hours Statement III: Ratio of distance travelled while going from A to B and B to C is 2 : 3