The metal present in combine state is called?
A.         Metal
B.          Solid
C.        Minerals
D.         None of these
 
Which of the following is homogeneous mixture?
A.         Smoke
B.          Fog
C.          Smog
D.        Air
 
Hydrogen has a positive charge?
A.        Proton
B.         Electron
C.        Atom
D.        Neutron
 
Which of the following is transition element?
A.        Cu
B.         Cl
C.        S
D.        B
 
Ink spreads in water because of?
A.       Vaporpressure
B.        Dipolemovement
C.       Diffusion
D.       Osmosis

Lower the pH value              will be an acid.
A.        Weaker
B.     Neutral
C.        Stronger
D.        Alkaline
 
pH of the acidic solution is less than?
A.       3
B.        2
C.        6
D.       7
 
pH of the neutral solution is?
A.       2
B.        6
C.       7
D.       5
 
Which of the following is an organic compound?
A.         CO
B.         C2H2
C.     CO2
D.         NaHCO3
 
Which one of the following is the general formula of alkenes ?
A.        CnH2n
B.         CnH2n-1
C.        CnH2n+1
D.        CnH2n-2
 
The Homologues has the same?
A.         Density
B.     State
C.        ChemicalProperties
D.         Colour
 
Carbon atom usually?
A.         Gains four electron
B.         Forms four covalent bonds
C.          Ionizes
D.         Loses four electrons
 
Organic radical with general formula CnH2n+1is?
A.         Allyl
B.         Alkyl
C.          Pheny
D.         Benzyl
 
The next homologue of C8H18is?
A.        C9H20
B.     C9H18
C.     C8H16
D.         C7H14
 
Methane is the first member of Methane is the first member of ?
A.         Alcohol Series
B.     Carboxylic acids Series
C.        Alkane Series
D.         Alkene Series
 
The name of C6H14 is?
A.        Hexane
B.         Decane
C.        Propane
D.        Heptanes

Dehydration of ethyl alcohol with conc.H2SO4 results in the formation of?
A.         Methane
B.         Ethene
C.          Ethane
D.         Acetylene

Which of the following statement is not true for alkynes?
A.        They do not per form Baeyer’s Test
B.         They under go addition reaction
C.        They burn to form CO2
D.        They contain a triple bond

All the member of alkane series has?
A.         All types of bonds
B.         All single bonds
C.          Atleast one double bond
D.         Atleast one triple bond

Baeyer’s reagent is?
A.         Hot KMnO4
B.         Alkaline KMnO4
C.          Conc. KMnO4
D.         Acidic KMnO4

Which one gives carboxylic acid with alkaline KMnO4?
A.        Acetylene
B.         Ethane
C.        Ethene
D.        Methane

Which one gives a mixture of hydrocarbons on halogenations?
A.         Ethane
B.     Ethylalcohol
C.     Ethene
D.        Ethyne

Baeyer’s test shows the presence of?
A.         Adouble bond
B.     Atriple bond
C.        Both A and B
D.         Nobond

Which one is the least reactive?
A.          Propane
B.      Ethene
C.          Ethyne
D.         Ethane
 
Ethane reacts with chlorine in the presence of?
A.        Sunlight
B.         Water
C.        Carbon tetrachloride
D.        Ether
 
                           Is a factor related to bloodclotting.
A.        VitaminK
B.         VitaminA
C.        VitaminC
D.        VitaminE
 
The coldest region in atmosphere is?
A.         Mesopause
B.      Stratosphere
C.          Tropopause
D.         Stratopause
 
The freezing point of water is              Celsius.
A.       1
B.        2
C.       0
D.       3
 
The total volume of water present on earth surface is?
A.         1.3Trillion KM3
B.1.7 KM3
C.          1.33 Million KM3
D.        1.386Billion KM3
 
The vital function of protoplasm is due to the presence of?
A.        Water
B.         Fats
C.        Minerals
D.        Calcium
 
The reason of unusual physical properties of water is due to the presence of?
A.         Covalent bond
B.     Coordinate covlent.Bond
C.        Hydrogen bonding
D.         None of these
 
The density of water is one gram per centi meter cube at
A.         60°C
B.         4°C
C.     100°C
D.         0°C
 
The enormous quantity of water present on earth surface acts as giant thermostat due to its high?
A.         Density
B.     Boiling Point
C.          Latent heat values
D.        Heat Capacity

The latent heat of fusion of water is?
A.         4.2 KJ/Mol
B.     5.2 KJ/Mol
C.        6KJ/Mol
D.         5.7KJ/Mol
 
Watergas is a mixture of?
A.         Hydrogen & Oxygen
B.     Steam & Air
C.        CO & H2
D.         None of these
 
Chlorine act as a bleaching agent in the presence of?
A.         HNO3
B.       NaOH
C.         HCL
D.         H2O
 
The chemical formula of magnetic oxide is?
A.        Fe3O4
B.     Fe2O3.H2O
C.          Fe2O3
D.         FeO
 
Rainwater is acidic in nature because air contain?
A.        Carbondioxide
B.     Nitrogen
C.          Oxygen
D.         Allofthese
 
Nutrient pollution of water bodies is caused by?
A.        Nitrates & Phosphates
B.         Pathogens
C.        Acidrain
D.        Cal & Mag
 
Most of the aquatic animals cannot survive above?
A.        30°C
B.     35°C
C.         50°C
D.         44°C
 
Which one of the following disease is caused by mercury?
A.         Typhoid
B.      Cholera
C.          Hepatitis
D.        Parkinson
 
The blister copper is refined by?
A.         Boiling
B.     Concentration
C.        Electrolysis
D.         Reduction
 
Chemical formula of Urea is?
A.        NH2CONH2
B.         Na2CO3
C.        NH2COONH4
D.        NH4CL

Sodium carbonate is commercially manufactured by?
A.         Ostwald’s Process
B.      Haber’s Process
C.          Frisch Process
D.         Solvay process
 
Urea is probably,most important fertilizer?
A.        Nitrogenous
B.         Sculpture
C.        Organic
D.        Phosphate
 
Petroleum is a mixture of many?
A.         Salt
B.         Hydrocarbons
C.     Hydroxide
D.         Acids
 
Raw materials used for manufacturing urea are?
A.         H2 & NH3
B.         CO2 & NH3
C.     HCL & NH3
D.         None of these
 
Which one is a step of metallurgical process?
A.         Rustin
B.         Roasting
C.     Crystallization
D.         None of these
 
Different fractions of petroleum are separated by?
A.         Cooling
B.         Fractional Distillation
C.          Steamdistillation
D.         None of these
 
The blister form of copper is                form.
A.        Impure
B.         Raw
C.        Pure
D.        Refined
 
Vitamin A is soluble in?
A.         Water
B.         Fats
C.          BothA&B
D.         None of these
 
Vitamin B is soluble in?
A.         Fats
B.         Water
C.          Both A & B
D.         None of these
 
There are                  types of  DNA.
A.       1
B.        2
C.        3
D.       4
 
Nucleic acid was first discovered in?
A.        1869
B.          1870
C.     1871
D.         1872
Mutation is a sudden chemical change in?
A.        DNA
B.         RNA
C.        Cell
D.        Cell wall
 
Aminoacids are the building blocks of?
A.         Lipids
B.      Fats
C.          Vitamins
D.         Protein
 
Organic chemistry is the study of?
A.         Carbon
B.      Metal
C.          Oxygen
D.         Carbon and its compounds
 
Enzymes are made of?
A.        Protein
B.         Lipids
C.        Fats
D.        Minerals
 
Cause of acidic rain is?
A.         Nitrogen
B.         Sulphure Dioxide
C.          Carbonic Acid
D.         Carboxide