Practice Test

Q1) Ultraviolet rays can be checked by Show Answer

Q2) Optical glasses are made from Show Answer

Q3) Glass is a homogeneous mixture of Show Answer

Q4) Chrome yellow is Show Answer

Q5) Pyrex glass is a mixture of Show Answer

Q6) Thomas slag is Show Answer

Q7) Composition of glass is Show Answer

Q8) Optical glass contains a high percentage of Show Answer

Q9) Lead sulphate is soluble in Show Answer

Q10) The oxide having amphoteric character is Show Answer

Q11) The variety of glass used in making lenses and prisms is Show Answer

Q12) Which of the following is coloured ? Show Answer

Q13) Quartz watches contain Show Answer

Q14) Which one is an acidic dye ? Show Answer

Q15) Red links are prepared from Show Answer

Q16) Alizarin gives red colour by moderating it with the sulphate of a metal. The metal ion is Show Answer

Q17) Carbon fibres are made from Show Answer

Q18) Microalloyed steel contains small amounts of Show Answer

Q19) Which of the following is an anionic detergent ? Show Answer

Q20) The detergent being used as a germicide is Show Answer

Q21) The environmental friendly method of killing harmful insects is through the use of Show Answer

Q22) Hard soaps are Show Answer

Q23) To which class of organic compounds does soap belong to ? Show Answer

Q24) Toilet soap is a mixture of Show Answer

Q25) Washing soap can be prepared by saponification with alkali of which of the following oil ? Show Answer

Q26) The substance added to harden the soap is Show Answer

Q27) Saponification of an oil or fat gives soap and Show Answer

Q28) Which is psuedo solid ? Show Answer

Q29) Raw material used in the manufacturing of aniline ink is : Show Answer

Q30) Glass can be classified as a/an Show Answer

Q31) If glass is cooled suddenly it becomes Show Answer

Q32) The principal constituent of pyrex glass is Show Answer

Q33) Which one of the following type of glass has smallest coefficient of thermal expansion ? Show Answer

Q34) Which variety of glass is used for the manufacture of optical lenses ? Show Answer

Q35) Which type of the glass cerium oxide as an ingredient ? Show Answer

Q36) Silica glass is Show Answer

Q37) Which one of the following type of glass has a layer of plastic ? Show Answer

Q38) Reinforced glass has Show Answer

Q39) Which of the following provides red colour to ink ? Show Answer

Q40) To which class of organic compounds soap belongs ? Show Answer

Q41) Which of the following is not a fatty acids ? Show Answer

Q42) Which gives white colour to soap ? Show Answer

Q43) Which one of the following is used to increase the weight of soap ? Show Answer

Q44) Which of the following enzymes hydrolysis triglycerides to fatty acids and glycerol ? Show Answer

Q45) Which glass has the highest percentage of lead ? Show Answer

Q46) Which one of the following is incorrect about flint glass ? Show Answer

Q47) Percentage of silica Show Answer

Q48) For making optical and chemical resistant glass the substance used is Show Answer

Q49) Etching of glass is based on Show Answer

Q50) The material used in solar cell contains Show Answer

Q51) Which gives red colour to ink ? Show Answer

Q52) Which acts as a fungicide in ink ? Show Answer

Q53) Raw material used in the manufcturing of aniline ink is Show Answer

Q54) Which compound is used to stop hydrolysis if organic compound in ink ? Show Answer

Q55) Which gives blue black colour in ink ? Show Answer

Q56) Stamp pad is a Show Answer

Q57) Compound used for shining of ink is Show Answer

Q58) Mortar is a mixture of Show Answer

Q59) Presence of gypsum in cement gives Show Answer

Q60) Which is correct about cement ? Show Answer

Q61) A major constituent of cement besides lime is Show Answer

Q62) The function of sand in mortar is Show Answer

Q63) Which one of the following components of cement sets at the slowest rate ? Show Answer

Q64) Excess of silicon in cement Show Answer

Q65) During setting of cement the reaction is Show Answer

Q66) Concrete with iron frame-work is known as Show Answer

Q67) Lithopone, a substitute of white lead is Show Answer

Q68) Which of the following is a yellow pigment ? Show Answer

Q69) Which oxides are used as drier in paints ? Show Answer

Q70) Red lead is Show Answer

Q71) White lead is Show Answer

Q72) Fillers are used to Show Answer

Q73) Match stick have some solid mixture at one end which is Show Answer

Q74) Which one of the following is used on the side of matches box ? Show Answer

Q75) Gun powder is a mixture of Show Answer

Q76) Artificial silk is Show Answer

Q77) Natural rubber is Show Answer

Q78) Which of the following is a polyamide ? Show Answer

Q79) Which is an example of thermosetting polymer ? Show Answer

Q80) The substance used to harden the rubber for tyre manufacture is Show Answer

Q81) Monomer of teflon is Show Answer

Q82) Terylene is made by polymerisation of tetraphalic acid with Show Answer

Q83) Process involving heating of rubber with sulpher is called Show Answer

Q84) Which of the following is used to make non-stick cookware ? Show Answer

Q85) Bakelite is a polymer of Show Answer

Q86) The presence of sulphur in gunpowder Show Answer

Q87) Chromium oxide is used as an ingredient in paints to obtain Show Answer

Q88) The principle of cleaning by soap is Show Answer

Q89) Sodium stearate is a salt and is used Show Answer

Q90) Which one among the following is the chemical formula of gypsum, which is an ingredient of cement ? Show Answer

Q91) The most important raw materials used in the manufacture of cement are Show Answer

Q92) Which one among the following is the major constituent of soda lime glass ? Show Answer

Q93) The reaction that takes place in soap making is called saponification. Basically soap is sodium or potassium salts of Show Answer

Q94) During explosion of gunpowder, which of the following gases are evolved in the proportion of 1 : 3 ? Show Answer

Q95) Bronze is often used to make statues and medals whereas brass is used in making utensils, scientific apparatus and cartridges. Both brass and bronze are copper containing alloys, yet they differ in their chemical composition for additionally containing Show Answer

Q96) Glass is actually Show Answer

Q97) Which one among the following is the main ingredient in cement ? Show Answer

Q98) Which among the following are the properties of good paint ?
(I) The paint should be opaque and have high covering power.
(II) The solid particles in paint should reflect much of the destructive light to ensure ling life of the paint.
(III) Combination of pigments e.g., white lead and T i O_2 give better result.
(IV) Addition of plasticiser destroy the elasticity of the film and leads to cracking.
Select the correct answer using the code given below : Show Answer

Q99) By which one among the following mechanism, soap removes dirt (soil) from cloth ? Show Answer

Q100) Consider the following statements regarding aluminium paint.
(I) It is fairly good heat-resistant.
(II) It proposes good electrical resistance.
(III) It cannot be used for hot water pipe.
Which of the statements given above is/are correct ? Show Answer

Q101) Which one of the following chemicals is used in beauty parlours for hair-setting ? Show Answer