Recent questions in JEE

0 votes

3 answers

Q. Viroids differ from viruses in having ;

asked Dec 30, 2021 in Biology by kritika (90.1k points)

0 votes

1 answer

Q. Which of the following is paramagnetic ?

asked Dec 30, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

0 votes

1 answer

Q. Which one is the sweetest sugar ?

asked Dec 30, 2021 in Biology by kritika (90.1k points)

0 votes

151 answers

Q. Which of the following is most acidic?

asked Dec 30, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

0 votes

3 answers

Q. Among the following, the linear molecule is

asked Dec 30, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

0 votes

4 answers

Q. Opening and closing of stomata is due to the :-

asked Dec 30, 2021 in Biology by kritika (90.1k points)

0 votes

3 answers

Q. Which one of the following is an example of ex-situ conservation ?

asked Dec 30, 2021 in Biology by kritika (90.1k points)

0 votes

3 answers

Q. The five kingdom system of classification was proposed by

asked Dec 30, 2021 in Biology by kritika (90.1k points)

0 votes

1 answer

Q. The first phase of translation is:

asked Dec 30, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

0 votes

2 answers

Which of the following alkane cannot be made in good yield by Wurtz reaction?

asked Dec 30, 2021 in Some basic concepts in chemistry by deepak01 (12.2k points)

0 votes

3 answers

. The rate constant for a first order reaction is \(4.606 \times 10^{-3} \mathrm{~s}^{-1}\). The time required to reduce \(2.0 \mathrm{~g}\) of the reactant to \(0.2 \mathrm{~g}\) is :

asked Dec 30, 2021 in Some basic concepts in chemistry by deepak01 (12.2k points)

0 votes

3 answers

Urea reacts with water to form \(A\) which will decompose to form \(B\). \(B\) when passed through \(C u^{2+}(a q)\), deep blue colour solution \(\mathrm{C}\) is formed. What is the formula of \(\mathrm{C}\) from the following

asked Dec 30, 2021 in Some basic concepts in chemistry by deepak01 (12.2k points)

0 votes

2 answers

Measuring Zeta potential is useful in determining which property of colloidal solution?

asked Dec 30, 2021 in Some basic concepts in chemistry by deepak01 (12.2k points)

0 votes

3 answers

For the reaction \(2 C l(g) \rightarrow C l_{2}(g)\), the correct option is:

asked Dec 30, 2021 in Some basic concepts in chemistry by deepak01 (12.2k points)

0 votes

2 answers

Identify the incorrect statement.

asked Dec 30, 2021 in Some basic concepts in chemistry by deepak01 (12.2k points)

0 votes

3 answers

What is the change in oxidation number of carbon in the following reaction? \(\mathrm{CH}_{4}(g)+4 C l_{2}(g) \rightarrow C C l_{4}(l)+4 H C l(g)\)

asked Dec 30, 2021 in Some basic concepts in chemistry by deepak01 (12.2k points)

0 votes

20 answers

The number of protons, neutrons and electrons in \({ }_{71}^{175} L u\), respectively, are :

asked Dec 30, 2021 in Some basic concepts in chemistry by deepak01 (12.2k points)

0 votes

3 answers

Which one of the followings has maximum number of atoms ?

asked Dec 30, 2021 in Some basic concepts in chemistry by deepak01 (12.2k points)

0 votes

3 answers

The following metal ion activates many enzymes, participates in the oxidation of glucose to produce ATP and with Na, is responsible for the transmission of nerve signals.

asked Dec 30, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

0 votes

3 answers

. Which of the following is not correct about carbon monoxide?

asked Dec 30, 2021 in Some basic concepts in chemistry by kritika (90.1k points)

Recent questions in JEE

Categories