Detergents used for cleaning clothes and utensils contain 1 Nitrates 2 Bicarbonates 3 Sulphonates 4 Bismutnates2 5839
Which variety of glass is heat resistant? 1 Hard glass 2 Flint glass 3 Pyrex glass 4 Bottle glass
Bagasse, a by-product of sugar manufacturing industry, is used for the production of 1 Nylon 2 Glass 3 Paper 4 Alcohol2 6007
Which of the following fertilizers leaves acidic residue? 1 Urea 2 Ammonium phosphate 3 Ammonium sulphate 4 None of these1 5039
Which of the following is used for removing air bubbles from glass during its manufacture? 1 Feldspar 2 Arsenious oxide 3 Potassium carbonate 4 Soda ash1 7756
Which synthetic fiber possesses a ‘drip-dry’ property? 1 Rayon 2 Nylon 3 Silk 4 Terylene6 6988
What are soaps? 1 Salts of silicates 2 Esters of heavy fatty acids 3 Sodium or potassium salts of heavier fatty acids 4 Mixture of glycerol and alcohols2 5367
Which of the following is used in making artificial sweetener saccharin? 1 Benzene 2 Toluene 3 Phenol 4 Aniline2 6051
Rayon is chemically 1 Glucose 2 Amylase 3 Cellulose 4 Pectin1 3799
Which of the following is used as a filler in rubber tyres? 1 Graphite 2 Coal 3 Coke 4 Corbon black1 5165
In vulcanization, natural rubber is heated with 1 Carbon 2 Sulphur 3 Silicon 4 Phosphorus2 4114
Which type of fire extinguisher is used for petroleum fire? 1 Foam type 2 Soda acid type 3 Powder type 4 None of these8 21329
Which is/are the important raw material(s) required in cement industry? 1 Limestone 2 Gypsum & clay 3 Clay 4 Limestone & clay6 9446
Which one of the following is the petroleum wax? 1 Bees wax 2 Carnauba wax 3 Paraffin wax 4 Jojoba wax1 2761
which of the following fibers is generally preferred for making gauze and lint? 1 Cotton 2 Rayon 3 Nylon 4 Terylene1 5060
Which is the first atomic submarine of india?
what is defination of conductivity? How much conductivity of water ? what is effect when conductity of water low or high?
Explain how you can integrate Life skills in Science Teaching
Which are known as non - luminous irregular nebulae?
When did the most luminous nova appear?
Science as a social endeavor .Explain
what is composition of fizzy drinks
Why we use nhexane inplace of hexane in mobilepase preparation
A team of u.n scientists visited thumba?
18.104.22.168 VLSM require 112 ip addresses answer = 128/23 255.255.254.0 rang 2 network address 22.214.171.124 gateway 126.96.36.199 broadcast 188.8.131.52
What is light year?
Dear Sir I have got through cable size calculation 10 sq mm cable size of one panel, how i be sure that used cable is 10sqmm. a) By measuring each strand of cpper & multilpy by pye and so on...... or By measuring any one cable core with insulation only.
first aid to person affected with electrical shock
Write two characteristics of Science.
What is one light year?