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Q1 : Out of Alkane, Alkene & Alkyne, which one is more acidic?

A: Alkane B: Alkene C: Alkyne D: All have same

Q2 : Compound containing two halogen atoms on two adjacent carbon atoms are called as ___________?

A: Glycols B: Vicinal dihalides C: Geminal dihalides D: Diols

Q3 : Positron has __________charge.

A: +ve B: -ve C: Neutral D: None of them

Q4 : Atomic mass of an atom is present in the __________?

A: Shell B: Orbit C: Nucleus D: Orbital

Q5 : Cations possess __________ charge?

A: +ve B: -ve C: Neutral D: None

Q6 : One Water molecule can form maximum ______hydrogen bonds.

A: 2 B: 3 C: 4 D: None

Q7 : In water molecule, Hydrogen & water are held together by ______ bond.

A: Ionic B: Covalent C: Hydrogen D: Dating

Q8 : The chemical symbol for silver is __________?

A: Au B: Ag C: Sv D: At

Q9 : The only non metal exists in liquid state is ___________?

A: Mercury B: Bromine C: Phosphorus D: Iodine

Q10 : Z number for chlorine is __________?

A: 35.5 B: 17 C: 15 D: 21

Q11 : Law of mass action was proposed by Goldberg and Peter Waage in _________?

A: 1864 B: 1866 C: 1888 D: None of These

Q12 : The product of the reaction between steam and Hydrocarbon in presence of Ni catalyst at 900°C is _____.

A: CO²+O² B: CO+H²(water gas) C: CO³+H²O D: Laughing Gas

Q13 : The decomposition of nitroglycerine is an example of:

A: Self catalytic reaction B: Enzyme catalytic reaction C: Autocatalytic reaction D: induced catalysis

Q14 : The phenomenon of negative catalysis is also known as:

A: auto catalysis B: Self catalysis C: inhibition D: Enzyme catalysis

Q15 : Ostwald’s dilution law applicable to:

A: All electrolytes B: Strong electrolytes C: Non electrolytes D: Weak electrolytes

Q16 : The best indicator for titrating HCl with NH4OH is: _________?

A: methyl Orange B: litmus C: phenol red D: phenopthalein

Q17 : Species are formed in one step of reaction mechanism and used up in another step are called:

A: Catalyst B: Intermediate C: inhibitor D: activated complex

Q18 : Transition temperature for tin grey & tin white is : _____________?

A: 128.15°C B: 18°C C: 246.12°C D: 96°C

Q19 : What is the chemical name of Oil of Vitriol?

A: Hydrochloric Acid B: Sulphuric Acid C: Nitric Acid D: Muriatic Acid

Q20 : which of the following is a non-crystalline solid pair?

A: diamond, wood B: glass, table salt C: wood, glass D: sucrose. glass

Q21 : Ketones and Aldehydes are differentiate by using ______________?

A: Fehling solution B: Bendict solution C: Silver Mirror test D: Nitroprusside test

Q22 : Actinides are the elements with atomic numbers from __________?

A: 97 to 104 B: 101 to 115 C: 89 to 103 D: 36 to 43

Q23 : Mass spectroscopy mainly tells about ____________?

A: Mass B: e/m ratio C: Isotopes D: None of These

Q24 : Ketones and aldehydes can be distinguished using ____________?

A: Bendict solution B: Fehling solution C: Tollens reagent D: None of These

Q25 : Size of colloidal particles

A: greater than true solution B: greater than suspension C: In b/w true solution & suspension D: None of These

Q26 : Antiseptic Urotropine formed by ____________?

A: Carboxylic acid B: Acetaldehyde C: Formaldehyde D: Ketone

Q27 : Isotopes differs in______________________?

A: arrangement of electrons in orbitals B: position in the periodic table C: properties depend upon mass D: chemical properties

Q28 : The most stable state of Vanadium(V) is

A: V+3 B: V+2 C: V+3 D: V+5

Q29 : The oxidation state of cu which are expected to be diamagnetic

A: Cu+2 B: Cu+4 C: Cu+1 D: Cu+3

Q30 : Oobleck is the mixture of _________?

A: Gram Flour and Water B: Baking Soda and Vinegar C: Cement and Water D: Cornstarch and Water

Q31 : When limestone reacts with water, which gas is released?

A: Hydrogen B: Oxygen C: Nitrogen D: Carbon Dioxide

Q32 : The process in which no heat enters or leave the system known as _____________?

A: Isochoric B: Isobaric C: adiabatic D: Isothermal

Q33 : The system which can exchange matter as well as energy with its surroundings is called____________?

A: open system B: Closed system C: Isolated system D: Inert system

Q34 : The system which exchange only energy with its surroundings is called______________?

A: Open system B: closed system C: Isolated system D: All of the above

Q35 : The properties which do not depend on mass of the substance are _____________?

A: Extensive properties B: Colligative properties C: intensive properties D: None of These

Q36 : The system which exchange only energy with its surroundings is called______________?

A: Open system B: closed system C: Isolated system D: All of the above

Q37 : In isothermal process?

A: No heat enter or leave the system B: Pressure of the system remains constant C: temperature of the system remains constant D: Volume of the system remains unchanged

Q38 : Greater the heat of neutralization the acid will be____________?

A: more stronger B: More weaker C: Not related to acid strength D: None of the above

Q39 : Hyperconjugation is also known as ____________?

A: Reasonable B: no bond reasonable C: Inductive effect D: Electromeric effect

Q40 : Electromeric effect is ____________?

A: Permanent effect B: Operate due to electronegativity difference C: temporary effect D: None of the above

Q41 : Methyl radical is ___________?

A: Sp3 hybrid having 8 electrons B: Sp2 hybrid having 6 electron C: sp2 hybrid having 7 electron D: Sp hybrid having linear geometry

Q42 : Nylon-2-nylon-6 is a__________polymer?

A: biodegradable polymer B: Synthetic polymer C: Natural polymer D: Branched polymer

Q43 : Example of copolymers is _____________?

A: Polyethylene B: PVC C: Orlon D: nylon 6-6

Q44 : Hexamethylene diamine and adipic acid combine to form _____________?

A: Natural rubber B: Synthetic rubber C: nylon 6-6 D: Polystyrene

Q45 : Vulcanized rubber is an example of ______________?

A: Natural polymers B: semisynthetic polymers C: Synthetic polymers D: None of These

Q46 : Example of linear polymer is ______________?

A: High density polythene B: Low density polythene C: PVC D: both A and C

Q47 : Example of cross linked polymer is ____________?

A: Nylon B: Polyester C: bakelite D: PVC

Q48 : Neoprene is _______________?

A: Natural rubber B: Vulcanized rubber C: synthetic rubber D: All of the above

Q49 : Numbers of subatomic particles?

A: 2 B: 3 C: 1 D: more than 3

Q50 : Shiff’s reagent gives pink color with ____________?

A: Acetone B: Acetaldehyde C: Acetic acid D: Methyl acetate

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Chemistry MCQs with Answers – Free Bio MCQs Test for All Topics

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Chemistry MCQs with Answers – Free Bio MCQs Test for All Topics

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