| 1 |
If volume of an ideal gas at 0C° 536cm3, what is volume at 1°C
|
A. 373 cm3
B. 646 cm3
C. Becomes 0cm3
D. 746 cm3
|
| 2 |
In a saturated solution of AgCl, the molar concentration of Ag+ and Cl- is 1.0x10(-5)M each. What is the value of Ksp
|
A. 1.0x10(-5)
B. 1.0x10(-15)
C. 0.1x10(-5)
D. 1.0x10(-10)
|
| 3 |
Which of the following is an application of electrochemical series
|
A. Prediction of the feasibility of chemical reaction
B. Calculation of the cell voltage
C. Prediction of reaction of metal with dilute acid
D. All of the above
|
| 4 |
Which of the following species is used to formation of glycerol fatty acid from triglyceride
|
A. NaOH
B. Ni
C. Lipase
D. All
|
| 5 |
Molecular mass of PVC is (DP = 1200)
|
A. 63000
B. 75000
C. 75600
D. 80,000
|
| 6 |
Formula of stearic acid is:
|
A. C11H23COOH
B. C13H27COOH
C. C15H31COOH
D. C17H35COOH
|
| 7 |
What is the cause of water pollution
|
A. Chemical and bacterial constants in live stock
B. The spilled oil in rivers and ponds
C. Wide spreads used of pesticides
D. All of these
|
| 8 |
The process of coagulation can remove suspended solids in raw water about
|
A. 50%
B. 60%
C. Less than 40%
D. More than 80%
|
| 9 |
Doubling the pressure in a liquid phase reaction
|
A. Will double the rex
B. Will increase the rex
C. Will decrease the rex
D. Will not alter the concentration of reactant
|
| 10 |
Transportation causes to produce CO2 in atmosphere:
|
A. 72%
B. 73%
C. 74%
D. 75%
|
| 11 |
Polymide is formed due to the condensation od hexane-dioic acid with
|
A. Hexane-1, 5- diamine
B. Hexane-1, 6 -diamine
C. Hexane-1, 4- diamine
D. Hexane-2, 5- diamine
|
| 12 |
Diseases like dysentery, typhoid and hepatitis are caused by mixing of in water:
|
A. Live stock wastes
B. Oil spilage
C. detergents
D. pesticides
|
| 13 |
Which alcohol is most reactive towards sodium metal?
|
A. Ter Butyl alcohol
B. n-Propyl alcolol
C. Isopropyl alcohol
D. Have same reactivity
|
| 14 |
Helical structure of protein is stabilized by
|
A. Peptide bond
B. Dipeptide bond
C. Van der wall's forces
D. Hydrogen bonding
|
| 15 |
The highest oxidation state of manganese is
|
A. +7
B. -7
C. +6
D. +4
|
| 16 |
Anline is a derivative of:
|
A. alkane
B. alkene
C. aromatic hydrocarbon
D. alicyclic
|
| 17 |
Which of the following will undergo nucleophilic addition reaction more easily?
|
A. Aldehyde
B. Alkene
C. Aldehyde and ketone equally
D. Neither aldehyde nor alkenes
|
| 18 |
Choose a point which is not included in the components of environment:
|
A. stratosphere
B. hydrosphere
C. lithosphere
D. biosphere
|
| 19 |
The order of reactivitv of alksI halides towards nucleophile is
|
A. RI>RBr RF>RCI
B. RF>RCI>RBr>RI
C. RI>RBr> RCI>RE
D. RF>RBr>RCI>RI
|
| 20 |
Contamination of water of tanning industries is due to:
|
A. Cr(III)
B. Cr(VI)
C. Mn(III)
D. Mn(VII)
|
| 21 |
which of the following d blocks element can showthe highest oxidation number is its ompound
|
A. Chromium
B. iron
C. Copper
D. Manganese
|
| 22 |
Which of the following molecule has largest number of shared pair of electrons?
|
A. CO2
B. N2
C. NH3
D. C2H4
|
| 23 |
Geometry of NH3 is
|
A. Tetrahedral
B. Square planer
C. Pyramidal
D. Linear
|
| 24 |
Carbohydrate that cannot be digested by human digestive system is
|
A. Cellulose
B. Glycogen
C. Starch
D. All of these
|
| 25 |
Ozone is produced in regions:
|
A. tropical
B. Polor
C. antaric
D. equator
|
| 26 |
The general electronic configuration of group IV-A elements is
|
A. ns2, np6
B. ns2, np4
C. ns2, np3
D. ns2, np2
|
| 27 |
pi-bond can be formed by sideways overlap of
|
A. s-orbital
B. d-orbital
C. p-orbital
D. sp orbital
|
| 28 |
The %age composition of the auxiliary agent in a detergent is:
|
A. 10%
B. 30%
C. 50%
D. 70%
|
| 29 |
Ornithine is
|
A. A basic amino acid
B. An essential amino acid
C. Present in protein structure
D. All of these
|
| 30 |
The number of unpaired electrons present in Fe ions is
|
A. 1
B. 2
C. 5
D. 0
|
| 31 |
Which property is associated with ionic solids?
|
A. Solubility in polar solvents
B. Low melting points
C. Good conductivity in solid state
D. High vapour pressure
|
| 32 |
Suspended matter is settled in purification of water by:
|
A. aeration
B. coagulation
C. chlorination
D. treatment
|
| 33 |
The standard electrode potential of hydrogen is arbitrarily taken at 298k is
|
A. 1.00volt
B. 0.10 volt
C. 0.00 volt
D. 10.0 volt
|
| 34 |
In the cyclic structure of the glucose when the position of atoms on carbon 1 is called one isomer changes to other. These isomers of glucose are called:
|
A. metamers
B. position isomers
C. cis-trans
D. annomers
|
| 35 |
The Kw. of water at 25 C° is given by
|
A. 10(-7)
B. 10(-10)
C. 10(-12)
D. 10(-14)
|
| 36 |
Vegetable oils are
|
A. Unsaturated fatty acids
B. Glycosides of unsaturated fatty acids
C. Glycosides of saturated fatty acids
D. None
|
| 37 |
Oxidation state of Mn' in KMnO4. K2MnO4, MnO2 and MnSO4 is in the order
|
A. +7.+6.+2,+4
B. +6,+7,+2,+4
C. +7. +6.+4.+2
D. +4, +6, +7,+2
|
| 38 |
Nitrogen in the atmosphere is:
|
A. 78%
B. 21%
C. 0.9%
D. 0.03%
|
| 39 |
A maltose molecule is formed by the combination of:
|
A. two glucose molecules
B. one glucose and one fructose
C. molecule
D. one glucose and one galactose
|
| 40 |
Calendar stock is process in paper making in which
|
A. Moisture is removed
B. Pulp is spreaded over fabric or screen
C. Paper thickness is removed
D. Paper is wounded in the form of reel
|
| 41 |
Cyclobutane structure is categorized under
|
A. Aromatic compounds
B. Aliphatic compounds
C. Alicyclic compounds
D. Heterocyclic compounds
|
| 42 |
Elements of group ll-A are called
|
A. f-block elements
B. s-block elements
C. p-block elements
D. d-block elements
|
| 43 |
Polysaccharides are
|
A. Polyester
B. Polyamides
C. Poly ethers
D. Polynucleotide
|
| 44 |
Polymer formed by the combining of three different monomers is called:
|
A. Homopolymer
B. Copolymer
C. Ter polymer
D. Thermoplastic polymers
|
| 45 |
A polymer of PVC having D.P 500 has molar mass:
|
A. 6300
B. 63000
C. 3150
D. 31500
|
| 46 |
Enzymes have been classified on the basis of
|
A. protein structure
B. prosthetic groups
C. type of reaction they catalyse
D. bonding in them
|
| 47 |
Detergents are:
|
A. synthetic products
B. natural product
C. both a and b
D. none of the above
|
| 48 |
Alkali metals react viotlently with halogens:
|
A. Halides
B. Anhydrides
C. Hydrides
D. None of the above
|
| 49 |
Alcohol reacts slowly with Na-metal as compared to water because it has low concentration of H+ ion which suggests that it is.
|
A. Less acidic than water
B. Less basic than phenol
C. More acidic than phenol
D. More acidic than water
|
| 50 |
Deposition of cholesterol in arteries is responsible for:
|
A. Heart attach
B. diabetes
C. hepatitis
D. cancer
|
| 51 |
Electrolytic products of dilute aqueous solution of sodium sulphate is
|
A. Na. SO2
B. H2. S02
C. Na. O2
D. H2,O2
|
| 52 |
What is clinker?
|
A. Roasted calcareous material
B. Roasted calcareous & argelarious material
C. Roasted argillaceous material
D. Roasted gypsum
|
| 53 |
Zn has
|
A. Zero unpaired electrons
B. Three unpaired electrons
C. Five unpaired electrons
D. One paired electrons
|
| 54 |
Nucleic acid contain elements like N,H,O,C and
|
A. Ca
B. S
C. P
D. F
|
| 55 |
The yellow color present in the photo chemical smog is due to presence of the
|
A. Carbon dioxide
B. Nitrogen dioxide
C. Chlorine
D. All
|
| 56 |
NO and NO2gases in atmosphere are represented by
|
A. NO
B. NO4
C. NOx
D. NxOy
|
| 57 |
Which of these polymers is a synthetic polymer?
|
A. animal fat
B. starch
C. cellulose
D. polyester
|
| 58 |
Which one of following elements is not present in all proteins?
|
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
|
| 59 |
lonization of KCIO3. is suppressed by
|
A. Increasing temperatuse
B. adding KCl
C. adding NaNO3
D. Decreasing temperature
|
| 60 |
When a metal rod is dipped in its one molar ionie solution
|
A. Electricity is produced
B. Electricity is consumed
C. Redox reaction occurs
D. Potential difference is set up
|