Email

Chat with tutors

Login

Ask Questions, Get Answers

Menu X

home ask tuition questions practice papers mobile tutors pricing

X

Recent questions tagged q155

Atomic and molecular sizes are of the order of a few Angstrom (1 $\overset{\circ}{A} = 10^{-10}m)$ . Assuming that $N_2$ molecules is spherical in shape with radius $2\times10^{-10}m$ . Calculate the volume of single $N_2$ molecule.

asked Mar 28, 2014 by sharmaaparna1

1 answer

Which of the following is optically inactive

asked Mar 4, 2014 by meena.p

1 answer

Find the relation so that the two circles $x^2+y^2+2gx+2fy+c=0$ and $x^2+y^2+2g_1x+2f_1+c_1=0$cut each other orthogonally.

asked Feb 12, 2014 by sreemathi.v

1 answer

Atomic radius is of the order of $10^{-8} cm$ and nuclear radius is of the order of $10^{-13}$ cm. calculate what fraction of atom is occupied by nucleus?

asked Jan 31, 2014 by sharmaaparna1

1 answer

If a,b,c are real and $\;4a^2+9b^2+16c^2-6ab-12bc-8ac=0\;$ the a,b,c are in

asked Jan 22, 2014 by yamini.v

1 answer

$\lim\limits_{x\to 0}\large\frac{x\tan 2x-2x\tan x}{(1-\cos 2x)^2}$ is

asked Jan 3, 2014 by sreemathi.v

1 answer

Integrate : $\int 5x^2 \tan ^2 (6x^3) dx$

asked Dec 24, 2013 by meena.p

1 answer

The most active phagocytic white blood cells are :

asked Dec 21, 2013 by thanvigandhi_1

0 answers

Which one of the following is one of the cross end products formed when a mixture of acetone and acetaldehyde is heated after treating with aqueous sodium hydroxide ?

asked Nov 20, 2013 by thanvigandhi_1

1 answer

Which one of the following is correct order of second ionization potential of Na, Ne, Mg and AI?

asked Nov 9, 2013 by thanvigandhi_1

0 answers

Which one of the followng is correct regarding $ \sigma $ molecular orbital?

asked Oct 24, 2013 by thanvigandhi_1

1 answer

Acetone on addition to methyl magnesium bromide forms a complex, which on decomposition with acid gives $\underline {X}$ and $Mg(OH)Br$. Which one of the following is $\underline X$?

asked Oct 21, 2013 by meena.p

0 answers

The equilibrium constant for the given reaction is 100 $N_2 +2O_2 \rightleftharpoons 2NO_2$ What is the equilibrium for the reaction given below : $NO_2 \rightleftharpoons \large\frac{1}{2}$$ N_2+O_2$

asked Oct 16, 2013 by meena.p

1 answer

The weight in g, of the non-volatile solute urea $(NH_2CONH_2)$ to be dissolved in 100 g of water in order to decrease its vapour pressure by 1.8% is:

asked Oct 14, 2013 by thanvigandhi_1

1 answer

Which one of the following gives yellow precipitate with iodine and $NaOH$ solution ?

asked Oct 2, 2013 by meena.p

1 answer

Which one of the following is a food preservative?

asked Sep 25, 2013 by meena.p

1 answer

The structure of PCC is :

asked Sep 19, 2013 by meena.p

1 answer

To see more, click for the full list of questions or popular tags.

Feedback Terms Facebook Twitter About Us

Your payment for is successful.

...