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Questions >> JEEMAIN and NEET >> Chemistry

Chemistry

$H_2$ gas is liberated when $H_2O_2$ reacts with

asked Jan 23, 2014 by sreemathi.v

1 answer

$O_2^{2-}$ is the symbol of _________ ion.

asked Jan 23, 2014 by sreemathi.v

1 answer

The O-O bond is not present in

asked Jan 23, 2014 by sreemathi.v

1 answer

$H_2O_2$ forms prismatic crystals at

asked Jan 23, 2014 by sreemathi.v

1 answer

$H_2O_2$ reduces $K_3[Fe(CN)_6]$ in

asked Jan 23, 2014 by sreemathi.v

1 answer

$H_2O_2\rightarrow 2H^++O_2+2e^-$ . $E^{\large\circ}=-0.68v$ .The given equation represents the following nature of $H_2O_2$

asked Jan 23, 2014 by sreemathi.v

1 answer

Hard water is passed through an ionic exchange resin containing - $SO_3H$ group.The out coming water is free from the following ions.

asked Jan 23, 2014 by sreemathi.v

1 answer

Exhausted permit does not contain __________ ion.

asked Jan 23, 2014 by sreemathi.v

1 answer

Which of the following substance is not present in clear hard water

asked Jan 23, 2014 by sreemathi.v

1 answer

Pure water can be obtained from sea water by

asked Jan 23, 2014 by sreemathi.v

1 answer

Permanent hardness of water cannot be completely removed by

asked Jan 23, 2014 by sreemathi.v

1 answer

During hydrogenation of oil the catalyst commonly used is

asked Jan 22, 2014 by sreemathi.v

1 answer

Among the hydrides given below which are reasonably good acids.

asked Jan 22, 2014 by sreemathi.v

1 answer

The process of adsorption of hydrogen on palladium is known as

asked Jan 22, 2014 by sreemathi.v

1 answer

Metal hydride on treatment with water gives:-

asked Jan 22, 2014 by sreemathi.v

1 answer

The metal which gives hydrogen on treatment with acid as well as sodium hydroxide is

asked Jan 22, 2014 by sreemathi.v

1 answer

The metal that can't displace hydrogen from dil HCl is

asked Jan 22, 2014 by sreemathi.v

1 answer

Which isotope of hydrogen is/are radioactive in nature?

asked Jan 22, 2014 by sreemathi.v

1 answer

The bond length is more in

asked Jan 22, 2014 by sreemathi.v

1 answer

The electronic configuration is $1s^1$ for

asked Jan 22, 2014 by sreemathi.v

1 answer

$\large\frac{n}{p}$ ratio of $1^{\Large H^1}$ is

asked Jan 22, 2014 by sreemathi.v

1 answer

The radioactive isotope of hydrogen is

asked Jan 22, 2014 by sreemathi.v

1 answer

The number of isotopes of hydrogen are

asked Jan 22, 2014 by sreemathi.v

1 answer

Ratio of the Bohr radius of protium ,deuterium and tritium atom is

asked Jan 22, 2014 by sreemathi.v

1 answer

Neutron is not present in the nucleus of

asked Jan 22, 2014 by sreemathi.v

1 answer

Tritium emits

asked Jan 22, 2014 by sreemathi.v

1 answer

Electronic configuration of Deuterium is

asked Jan 22, 2014 by sreemathi.v

1 answer

Which of the following gas is lightest

asked Jan 22, 2014 by sreemathi.v

1 answer

The name hydrogen was proposed by

asked Jan 22, 2014 by sreemathi.v

1 answer

Hydrogen finds a place in VII group of periodic table because

asked Jan 22, 2014 by sreemathi.v

1 answer

The lightest element in the periodic table is

asked Jan 22, 2014 by sreemathi.v

1 answer

PAN is called as

asked Jan 22, 2014 by sreemathi.v

1 answer

$Cl+O_3\rightarrow x+O_2,ClO+O\rightarrow y+O_2$ .Net reaction : $O_3+O\quad\underrightarrow {Cl}\quad z$ .The $z$ is

asked Jan 22, 2014 by sreemathi.v

1 answer

$Cl+O_3\rightarrow x+O_2,ClO+O\rightarrow y+O_2$ .Net reaction : $O_3+O\quad\underrightarrow {Cl}\quad z$ .The $y$ is

asked Jan 22, 2014 by sreemathi.v

1 answer

$Cl+O_3\rightarrow x+O_2, \\ ClO+O\rightarrow y+O_2 \\ Net\; reaction\; :\; O_3+O\overset{Cl}{\longrightarrow} z. \; \\ Then \;x\; is$

asked Jan 22, 2014 by sreemathi.v

1 answer

$CF_2Cl_2+hv\rightarrow CF_2Cl+A,CFCl_3+hv\rightarrow CFCl_2+B$ .Both $A$ and $B$ are same

asked Jan 22, 2014 by sreemathi.v

1 answer

$CF_2Cl_2+hv\rightarrow CF_2Cl+A,CFCl_3+hv\rightarrow CFCl_2+B$ . Which of the following is B?

asked Jan 22, 2014 by sreemathi.v

1 answer

$CF_2Cl_2+hv\rightarrow CF_2Cl+A,CFCl_3+hv\rightarrow CFCl_2+B$ .what is A?

asked Jan 22, 2014 by sreemathi.v

1 answer

$x(CH_2O)\rightarrow CO_2+CH_4$ .The $x$ is

asked Jan 22, 2014 by sreemathi.v

1 answer

$x(CH_2O)\rightarrow CO_2+y$ .The $y$ can be used as fuel

asked Jan 22, 2014 by sreemathi.v

1 answer

$NO+O_3\rightarrow NO_2+O_2,O_3+hv\rightarrow x+y,NO_2+O\rightarrow z+x$ .Net reaction : $A(O_3)+hv\rightarrow BO_2$ . $B-A$ is

asked Jan 22, 2014 by sreemathi.v

1 answer

$NO+O_3\rightarrow NO_2+O_2,\;O_3+hv\rightarrow x+y,\;NO_2+O\rightarrow z+x$ . Net reaction : $A(O_3)+hv\rightarrow BO_2$ . The $z+x$ are

asked Jan 22, 2014 by sreemathi.v

1 answer

$NO+O_3\rightarrow O_2,O_3+hv\rightarrow x+y,NO_2+O\rightarrow z + x$ .Net reaction : $A(O_3)+hv\rightarrow BO_2$ .The $x$ and $y$ are

asked Jan 22, 2014 by sreemathi.v

1 answer

The name of the $H_2CO_3$ acid is and it is ?

asked Jan 22, 2014 by sreemathi.v

1 answer

$CO_2+H_2O\rightarrow x$ .The $x$ is

asked Jan 22, 2014 by sreemathi.v

1 answer

$xNO_2+yH_2O+O_2\rightarrow 4z$ .The sum of $x+y=$

asked Jan 22, 2014 by sreemathi.v

1 answer

$xNO_2+yH_2O+O_2\rightarrow 4z$ .The $y$ is

asked Jan 22, 2014 by sreemathi.v

1 answer

$xNO_2+yH_2O+O_2\rightarrow 4z$ .The $z$ in the equation is

asked Jan 22, 2014 by sreemathi.v

1 answer

$2SO_2+O_2+x\rightarrow 2H_2SO_4$ .The $x$ is

asked Jan 22, 2014 by sreemathi.v

1 answer

Catalytic converters are used in

asked Jan 21, 2014 by sreemathi.v

1 answer

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