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Recent questions tagged q160

A gas occupies 0.418 litre at 740 mm of Hg and $27^{\large\circ}C$. Calculate its Volume at STP.

asked Mar 29, 2014 by sharmaaparna1

1 answer

Which of the following classes of organic compounds show metamerism

asked Mar 4, 2014 by meena.p

1 answer

A certain laser transition emits $6.37\times10^{15}$ quants per second per square meter. Calculate the power out put in joule per square metre per second. Given $\lambda$ = 632.8 nm.

asked Feb 4, 2014 by sharmaaparna1

1 answer

If $a , b , c$ are three numbers in GP . and $\;a+x\;,b+x\;,c+x\;$ are in HP then $x$ equals

asked Jan 22, 2014 by yamini.v

1 answer

If $x+|y|=2y$, then $y$ as a function of x is

asked Jan 3, 2014 by sreemathi.v

1 answer

Integrate : $\int \large\frac{7}{9} \times \frac{e^{\Large \tan ^{-1}(x^4)}}{(1+x^8)} $$\times x^3 dx$

asked Dec 24, 2013 by meena.p

1 answer

The length of different internodes in a culm of sugarcane is variable because of :

asked Dec 21, 2013 by thanvigandhi_1

1 answer

Aspirin is acetyl salicylic acid; the pair of functional groups present in the compound is :

asked Nov 20, 2013 by thanvigandhi_1

1 answer

Which one of the following is the ratio of the lowering of vapour pressure of 0.1 m aqueous solutions of $ BaCI_2, NACI\: and \: AI_2(SO_4)_3$ respectively ?

asked Nov 9, 2013 by thanvigandhi_1

0 answers

Which one of the following statement is correct for an electrolyte solution when its concentration is decreased?

asked Oct 24, 2013 by thanvigandhi_1

1 answer

Hydrolysis of sucrose with dilute aqueous sulfuric acid yields

asked Oct 22, 2013 by meena.p

1 answer

Which one of the following is most effective in causing the coagulation of an $As_2S_3$ sol?

asked Oct 16, 2013 by meena.p

1 answer

The temperature coefficient of a reaction is 2.5. If its rate constant at $ T_1K$ is $ 2.5 \times 10^{-3}s^{-1}$, the rate constant at $T_2K$ in $s^{-1}$ is : ( $ T_2 > T_1)$

asked Oct 14, 2013 by thanvigandhi_1

1 answer

Identify the non-narcotic analgesic from the following:

asked Oct 2, 2013 by meena.p

1 answer

In the Born-Haber cycle of the given reaction $Na(s)$$ +\large \frac{1}{2}$$ Cl_2 \to NaCl(s)$ the number of endothermic and exothermic stages respectively are:

asked Sep 26, 2013 by meena.p

1 answer

Identify Phenacetin from the following :

asked Sep 19, 2013 by meena.p

1 answer

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