Chemistry-
General
Easy
Question
Which salt can be used to identify coloured cation?
- Borax
- Microcosmic salt
- Both (a) and (b)
- None of these
The correct answer is: Both (a) and (b)
Related Questions to study
Chemistry-
Which will give 
on heating?
Which will give on heating?
Chemistry-General
Chemistry-
Some of alkali metal salts are coloured. 
yellow, 
pink, 
green. It is due to
Some of alkali metal salts are coloured. yellow, pink, green. It is due to
Chemistry-General
Maths-
The equation of the hyperbola whose foci are (6, 4) and (–4, 4) and eccentricity 2 is given by
The equation of the hyperbola whose foci are (6, 4) and (–4, 4) and eccentricity 2 is given by
Maths-General
Chemistry-
Mg and Li are similar in their properties due to
Mg and Li are similar in their properties due to
Chemistry-General
Chemistry-
When an electron makes a transition from 
state to 
state, the frequency of emitted radiations is related to according to 
When an electron makes a transition from state to state, the frequency of emitted radiations is related to according to
Chemistry-General
Chemistry-
The binding energy of an element is 64 Mev. If BE/nucleon is 6.4, then the number of nucleons are
The binding energy of an element is 64 Mev. If BE/nucleon is 6.4, then the number of nucleons are
Chemistry-General
Chemistry-
The ionization potential hydrogen atom is 
. The energy required to remove an electron in the 
state of the hydrogen atom is
The ionization potential hydrogen atom is . The energy required to remove an electron in the state of the hydrogen atom is
Chemistry-General
Chemistry-
In nuclear reaction, 
The mass loss is nearly 0.02 amu. Hence, the energy released (in units of million kcal/mol) in the process is approximately
In nuclear reaction, The mass loss is nearly 0.02 amu. Hence, the energy released (in units of million kcal/mol) in the process is approximately
Chemistry-General
Chemistry-
There are 
of 
and 
of
in a rock. If 
of is 
age of the rock is
There are of and of in a rock. If of is age of the rock is
Chemistry-General
Maths-
The latus-rectum of the hyperbola 
, is
The latus-rectum of the hyperbola , is
Maths-General
Maths-
Let 
and 
. If 
is a vector such that 
=
and the angle between 
and is 300, then find the value of
.
Let and . If is a vector such that =and the angle between and is 300, then find the value of.
Maths-General
Maths-
The equation of the line passing through the point (1, -2, 3) and parallel to the line x – y + 2z = 5 and 3x + y + z = 6 is
The equation of the line passing through the point (1, -2, 3) and parallel to the line x – y + 2z = 5 and 3x + y + z = 6 is
Maths-General
Maths-
If (1 + x + x2)n = a0 + a1x + a2x2 + ………+a2nx2n, then the value of the determinant 
is always
If (1 + x + x2)n = a0 + a1x + a2x2 + ………+a2nx2n, then the value of the determinant is always
Maths-General
Maths-
India play two matches each with West Indies and Australia .In any match the probabilities of India getting points 0, 1 and 2 are 0.45, 0.05 and 0.50 respectively. Assuming that the outcomes are independent, the probability of India getting at least 7 points is
India play two matches each with West Indies and Australia .In any match the probabilities of India getting points 0, 1 and 2 are 0.45, 0.05 and 0.50 respectively. Assuming that the outcomes are independent, the probability of India getting at least 7 points is
Maths-General
Maths-
If the eccentricities of the hyperbolas 
and 
be e and 
, then 
If the eccentricities of the hyperbolas and be e and , then
Maths-General
