Which compound is the most reactive one.
Which compound is the most reactive one:
ethene | |
ethyne | |
benzene | |
ethane |
Lahore Board 2015 Group 1
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Which compound is the most reactive one:
Which one of the following gases is used for artificial ripening of fruits?
Which one of the following gases is used for artificial ripening of fruits?
Ethene | |
Propane | |
Ethyne | |
Methane |
Select from the following the one which is Alcohol.
Select from the following the one which is Alcohol.
CH3COOH | |
CH3OCH3 | |
CH3.CH2.Br | |
CH3CH2OH |
Co-ordination number of Pt in [PtCl(NO2)(NH3)4] is
Co-ordination number of Pt in [PtCl(NO2)(NH3)4] is
2- | |
1 | |
6 | |
4 |
Which is the strongest acid?
Which is the strongest acid?
HCIO2 | |
HClO4 | |
HCIO | |
HClO3 |
Laughing gas is chemically?
Laughing gas is chemically?
NO | |
N4O4 | |
NO2 | |
N2O |
The chief ore of aluminum is.
The chief ore of aluminum is:
Na3AlF6 | |
Al2O3 | |
Al2O3.2H2O | |
Al2O3.H2O |
Chile saltpeter has the chemical formal?
Chile saltpeter has the chemical formal?
KNO2 | |
NaNO2 | |
Na2B4O7 | |
Na2CO3.H2O |
Keeping in view the size of atoms, which order is the correct one?
Keeping in view the size of atoms, which order is the correct one?
Lu > Ce | |
CI > I | |
Ba > Mg | |
Mg > Sr |
Sec2 θ = ___________.
Sec2 θ = ___________:
1 + Cos2 θ | |
1 - tan2 θ | |
1 + tan2 θ | |
1- Sin2 θ |
Product of cube roots of unity is
Product of cube roots of unity is
1 | |
0 | |
-1 | |
3 |
In proportion a.b .. c.d, b and c are called.
In proportion a:b :: c:d, b and c are called:
Means | |
Third proportional | |
None of these LAW | |
Extremes |
Two square roots of unity are
Two square roots of unity are
1,-ω | |
1,ω | |
ω,ω2 | |
1,-1 |
A circle has only one
A circle has only one
Chord | |
Secant | |
Center | |
Diameter |
A chord passing through the centre of circle is
A chord passing through the centre of circle is
Circumference | |
Secant | |
Radius | |
Diameter |
In a proportion a.b .. c.d , a and d are called.
In a proportion a:b :: c:d , a and d are called:
Fourth Proportional | |
Extremes | |
Means | |
None |
Roots of equation 4x2-5x+2=0 are.
Roots of equation 4x2-5x+2=0 are.
Irrational | |
Imaginary | |
Rational | |
None of these |
After the establishment of Pakistan, which language two was declared as national languages?
After the establishment of Pakistan, which language two was declared as national languages?
Punjabi and Urdu | |
English and Urdu | |
Urdu and Bengali | |
Urdu and Persian |
The duration of second five years plan is.
The duration of second five years plan is:
1950-1955 | |
1965-1970 | |
1955-1960 | |
1960-1965 |
How much articles have the constitution of 1956
How much articles have the constitution of 1956
300 | |
234 | |
280 | |
250 |