Chemistry Study Material बिभाग ‘घ’

Chemistry Study Material बिभाग ‘घ’ Shared By Shridab Khan

Chemistry Study Material बिभाग ‘घ’ on mahasarkar.co.in. This is the page where we are deal with Chemistry Study Material For Maharashtra Recruitment Exam. Every questions come from various source i.e. Matter and its Nature; Kinetic Theory of Matter; Chemical Reactions and the chemical Equations; Structure of the Atom; Periodic Table of Elements; Chemical Bonding; Oxidation and Reduction; Oxygen ans Air; Hydrogen and Water; Carbon and its Compounds; Nitrogen and its Compound;Acids; Bases and Salts; Occurrence of Metals; Petroleum and Natural Gas; Iron and steel; Environmental Chemistry and Pollution;Food Chemistry; Biochemistry and Life Processes; Polymers and platics; Electrochemistry; Dyes; Biotechnology; International Symbols for Units; Carbohydrates; Proteins and Nucleic Acids; Nucleoproteins and Nucleic Acids; Fats; Important Laws Governing Gases; Liquids and Solutions; Bioterrorism; Important Topics and Concepts Etc. यह पेज ओह सब स्टूडेंट के लिए है, जो नौकरी की तलाश में हैं और भारती परिक्षा दिने के लिए इच्छुक हैं।

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Chemistry Study Material बिभाग ‘घ’

 

 

 

  1. An example of synthetic drug is

(1) Morphine

(2) Reserpine

(3) Aspirin

(4) Taxol

Ans:- (3) Aspirin

  1. The company ‘RANBAXY’ manufactures

(1) Plastics

(2) Drugs

(3) Textiles

(4) Heavy chemicals

Ans:- (2) Drugs

  1. Heroin can be prepared by acetylation of

(1) Reserpine

(2) Morphine

(3) Salicylic acid

(4) Quinine

Ans:- (2) Morphine

  1. Ampicillin is used as an

(1) Antibiotic

(2) Anti-inflammatory agent

(3) Antimalarial

(4)  Anticancer agent

Ans:- (1) Antibiotic

  1. The most important cardiac stimulant is

(1) Digoxin

(2) Cimetidine

(3) Paracetamol

(4) Penicillin

Ans:- (1) Digoxin

  1. An example of a natural fungicide is

(1) Furalaxy1

(2) Wyerone

(3) Folpet

(4) Carbon

Ans:- (2) Wyerone

  1. The earliest known pesticide is

(1) Permethrin

(2) DDT

(3) Nicotine

(4) Zeatin

Ans:- (3) Nicotine

  1. An example of semisynthetic penicillin is

(1) Ampicillin

(2) Amoxillin

(3) Tetramycin

(4) Oxypuin

Ans:- (1) Ampicillin

  1. Chemically, insulin is a

(1) Carbohydrate

(2) Peptide

(3) Nucleoside

(4) Oligosachharide

Ans:- (2) Peptide

  1. Liquid hydrocarbons are converted to low molecular weight gaseous hydrocarbons by a process known as

(1) Hydrogenation

(2) Reforming

(3) Cracking

(4) Reduction

Ans:- (3) Cracking

  1. Aluminium perchlorate is used in

(1) Hybrid propellants

(2) Solid propellants

(3) Liquid propellants

(4) Biliquid propellants

Ans:- 11. Aluminium perchlorate is used in

  1. Chemically, water is

(1) A hydride

(2) An oxide

(3) A hydroxide

(4) A peroxide

Ans:- (1) A hydride

  1. Consider the following types of compounds present in the living system
  2. Hormones
  3. Enzymes

III. Lipids

Out of the above three, the classes of compounds that perform key functional roles in living systems are

(a) I and II

(b) I, II and III

(c) I and II

(d) II and III

Ans:- (c) I and II

  1. The commonly used alcohol in the manufacture of detergents is

(1) Ethanol

(2) Lauryl alcohol

(3) Methyl alcohol

(4) Decanol

Ans:- (2) Lauryl alcohol

  1. A mixture of glucose and fructose mixed in equal proportions is called

(1) Sucrose

(2) Cane sugar

(3) Invert sugar

(4) Brown sugar

Ans:- (3) Invert sugar

  1. Flint glass contains

(1) Borax

(2) Excess of sodium carbonate

(3) Hydrofluoric acid

(4) Lead chromate

Ans:- (4) Lead chromate

  1. Consider the following food materials
  2. Cheese
  3. Sugar

III. Vinegar

Out of the above three food materials, those provided by fermentation technology are

(a) I and II

(b) I and II

(c) II and III

(4) I, II and III
Ans:- (a) I and II

  1. Chemically, interferon is a

(1) Carbohydrate

(2) Glycoprotein

(3) Nucleic acid

(4) Flourinated hydrocarbon

Ans:- (2) Glycoprotein

  1. Interferons do not inhibit

(1) Bacteria

(2) Viruses

(3) Microbes

(4) Fungi

Ans:- (2) Viruses

  1. Biotechnologically, interferon is produced by using

(1) Baker’s yeast

(2) Papain

(3) Insulin

(4) Bacterial cells

Ans:- (4) Bacterial cells

  1. The main feature which makes the enzymes popular in or organic synthesis is their

(1) Easy availability

(2) Complex nature

(3) Specificity

(4) Stability

Ans:- (3) Specificity

  1. Impure sodium carbonate obtained in the industrial process is called

(1) Banking sode

(2) Washing soda

(3) Lime

(4) Black ash

Ans:- (4) Black ash

  1. A medicinally useful compound obtained from the oil of peppermint is

(1)  Thymol

(2) Mentoal

(3) Morphine

(4) Piperine

Ans:- (2) Mentoal

  1. Artificial silk is also called

(1) Rayon

(2) Decron

(3) Fibre glass

(4) Nylon

Ans:- (1) Rayon

  1. Acidic solution(s) in water is/are exemplified by
  2. HCI
  3. NaHCO3

III. CuSO4

(a) I only

(b) III only

(c) I and II only

(d) I, II and III

Ans:- (c) I and II only

  1. The antibiotic ‘mitomycin’ is used to treat certain types of

(1) Cancer

(2) AIDS

(3) Polio

(4) Syphilis

Ans:- (1) Cancer

  1. The substance which cannot be further decomposed by ordinary chemical means is

(1) Water

(2) Air

(3) Sugar

(4) Silver

Ans:- (4) Silver

  1. The process of separating components of mixture by making use of the difference in their boiling points is called

(1) Destructive distillation

(2) Displacement

(3) Fractional distillation

(4) Filtration

Ans:- (3) Fractional distillation

  1. The abnormally high boiling point of water in comparison to that of hydrogen sulphide or hydrogen chloride is due to

(1) Van der Waals forces

(2) Polar covalent bonding

(3) Dipole insulation

(4) Hydrogen bonding

Ans:- (4) Hydrogen bonding

  1. The word meaning ‘copper demon’ was meant to denote the metallic element

(1) Tin

(2) Nickel

(3) Zine

(4) Iron

Ans:- (2) Nickel

  1. Chlorine water and carbon tetrachloride will produce a violet layer on mixing the ion

(1) Fluoride

(2) Chloride

(3) Bromide

(4) Iodide

Ans:- (4) Iodide

  1. “Aqua regia” is a mixture of

(1) HCI and H2SO4

(2) HCI and HNO3

(3) HCI and HBr

(4) HCI and HF

Ans:- (2) HCI and HNO3

  1. The chemical used as a common disinfectant and as a component of contraceptives is

(1) Acetone

(2) Sulphur

(3) Para formaldehyde

(4) Benzoic acid

Ans:- (3) Para formaldehyde

  1. Coke is produced from bituminous coal by

(1) Cracking

(2) Synthesis

(3) Substitution

(4) Destructive distillation

Ans:- (4) Destructive distillation

  1. The term ‘exclusion’ is associated with the principle enunciated by the scientist

(1) Pauli

(2) Einstein

(3) Newton

(4) Darwin

Ans:- (1) Pauli

  1. The chemical ‘styrene’ is industrial used in the production of

(1) Pharmaceuticals

(2) Dyes

(3) Plastics

(4) Insecticides

Ans:- (3) Plastics

  1. “Pectin”, used in the preparation of certain foods belongs to the class of compounds called

(1) Proteins

(2) Vitamins

(3) Carbohydrates

(4) Hormones

Ans:- (3) Carbohydrates

  1. The particle having the least mass is

(1) Alpha particle

(2) Beta particle

(3) Proton

(4) Photon

Ans:- (4) Photon

  1. The main constituent of the mineral ‘limestone’ is

(1) Silica

(2) Calcium Carbonate

(3) Calcium Silicate

(4) Sodium Chloride

Ans:- (2) Calcium Carbonate

  1. The drug ‘hashish’ is produced from the flowers of the tree of

(1) Neem

(2) Hemp

(3) Rose

(4) Tulsi

Ans:- (2) Hemp

  1. A buffer solution

(1) Changes pH rapidly with the addition of an acid

(2) Does not Change pH at all

(3) Resists changes in pH

(4) Changes pH only with the addition of a strong base

Ans:- (3) Resists changes in pH

  1. Chemically ‘milk of magnesia’ is

(1) Magnesium carbonate

(2) Sodium bicarbonate

(3) Calcium Hydroxide

(4) Magnesium hydroxide

Ans:- (4) Magnesium hydroxide

  1. The raw material for the manufacture of carbonate pesticide is

(1) Methyl isocyanate

(2) Urea

(3) Carbon dioxide

(4) Chlorobenzene

Ans:- (1) Methyl isocyanate

  1. A popular microbial insecticide is

(1) Candida cylindracea

(2) Yeast

(3) Bacillus thuringiensis

(4) Staphylococcus aureus

Ans:- (3) Bacillus thuringiensis

  1. People drinking water from a shallow handpump are likely to suffer from the diseases

(1) Cholera

(2) Typhoid

(3) Jaundice

(4) Flourosis

The Correct answer is:

(1) 1, 2 and 4

(2) 1, 2 and 3

(3) 2, 3 and 4

(4) 1 and 3

Ans:- (4) 1 and 3

  1. The well-known wonder drug against cancer ‘Taxol’ is extracted from the tree

(1) Neem

(2) Yew

(3) Oak

(4) Peepal

Ans:- (2) Yew