) The reaction between joule and calorie is `1J=4.18 cal.
- Fill in the blanks with the correct word(s) ,terms. (7 marks)
(a) Sodium hydroxide is commercially produced from saturated solution of ………. by using electrolysis.
(b) The properties of steel depend upon the ……….. .
(c) Ammonia gas has a characteristic ………. smell.
(d) Hydrogen sulphide has weak ………. properties.
(e) Halogens have essential electronic structure of ………. .
(f) In the reaction with ammonia, boron trifluoride behave as an ………. .
(g) The IUPAC name of di-methyl methylene is ………. . - Select the correct word(s) given in the bracket. (7 marks)
(a) Proteins is ( polymer, copolymer, monomer).
(b) The molecule of (NH3, ClF3, BCl3) does not deviate octet rule.
(c) The volume of the gas decreases (rapidly, slowly, regularly) with regular decrease of temperature.
(d) The anhydrous sodium carbonate can be used as a (an) (indicator, catalyst, primary standard)
(e) Faraday’s laws express the (qualitative, quantitative
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