121601. Three flasks A, B and C respectively contain 0.1 M, 0.1 m and 0.1 N aqueous HC1solutions, prepared at 40C. Considering the density of water = 1 /CM3 at 40C,which of the following statements is/are correct ?a. Concentration of all three solutions is exactly the same.b. Concentration of HCL in flask A and flask C is exactly the same.c. Concentration of HCL in flask B is lesser than concentration of HCL in flasks Aand C.d. No two flasks have HCl of exactly the same concentration.
121602. Match the columns :Group I Group IIa. Surfadants I. Alkylaryl sulphonatesb. Dye intermediates II. Benzenec. Lacquers III. Cellulose acetated. Solvents IV. Ethyl acetate V. Anthracene
121603. The correct order of increasing stability of carbonium ion is
121604. Which chemical is used in seeding clouds for artificial rain
121605. Energy currency of the cell is
121606. What is the percentage composition of carbon in steel
121607. ................ play an important role in the fomation of spindle fibres during cell division.
121608. Air polluting photochemical smog, PAN is
121609. Which is the stronges acid in the world
121610. Specific heat capacity of water is how many times more than the specific heat capacity of mercury
121611. Choose the micronutrient needed for plant growth
121612. Among the following salts, which is a salt of weak acid and strong base
121613. Match the following algal pigments with their colour : Pigment Colour a) Chlorophyll 1. Orange b) Xanthophyll 2. Green c) Carotenoid 3. Blue green d) Phycocyanin 4.Yellow
121614. Which enzyme catalyze the conversion of Pyruvic Acid into Acetyl co-enzyme A in the respiratory process
121615. Which of the following is a wrong statement
121616. An acid is a substance that can lose a proton is called
121617. The aqueous solution of potassium chloride is
121618. The citric acid produced during Kreb cycle contains
121619. Water gas is
121620. The as spun polypropylene fibre is...................crystal form
121621. Identify the condition which is not 'TRUE' for a material to show rubber like properties
121622. Inflators primarily made of sodium azide upon combustion produces
121623. Choose the correct match of the following : a. Polyester(PET) 1. Caprolactum b. Nylon 6 2. Dimethyl terephthalate and Ethyleneglycol c. Nylon 6,6 3. Acrylonitrite and vinylacetate d. Acetate 4. Hexamethylene diamine and adipic acid
121624. Which one of the following minerals contain mostly silica?
121625. The atomic theory of matter was first proposed by
121626. Which one of the following is not true for diamond?
121627. Find the value of (1+1/2)(1-1/2)(1+1/3)(1-1/3)(1+1/4)(1-1/4)
121628. Which of the following is not a gaseous air pollutant?
121629. Match List I with List II and select the correct answer using the codes below A)John Dalton 1)Law of definite proportion by volume B)Joseph Proust 2)Law of multiple proportion C)Antoine Lavoisier 3)Law of definite proportion byweight D)Joseph Louis Gay Lussac 4)Law of conservation of mass A B C D
121630. Red phosphorous is used in the manufacture of safety matches.This is due to the fact that
121631. Which of the statements regarding to Portland Cement are correct? 1.Silica imparts strength to cement 2.Alumina makes cement quick setting 3.Excess of lime increases strength of cement 4.Calcium sulphate decreases initial setting time of cement Select the correct answer using the code below
121632. Which of the following gas is used in cigarette lighters ?
121633. Which of the following is produced during the formation of photochemical smog ?
121634. The metallurgical process in which a metal is obtained in a fused state is called ?
121635. Which gas is used in fire extinguishers ?
121636. The metal used to recover copper from a solution of copper sulphate is ?
121637. Which of the primary component of natural gas?
121638. Atomic number is equal to
121639. A shop keeper bought 18 Oranges for Rs.50/-If he gets 20% profit how many oranges does he sell for Rs.50/-?
121640. Which one of the following metals does not react with water to produce Hydrogen?
121641. The oxide of Nitrogen used in medicine as anaesthetic is ?
121642. Aspirin is
121643. Water drops are spherical because of ?
121644. The chemical used as a fixer in photography is ?
121645. Which is also called Stranger Gas ?
121646. Which one of the following gas is readily soluble in water at room temperature ?
121647. Which have the maximum density ?
121648. Which one of the following is the softest?
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