The element required for solar energy conversion is 1 Beryllium 2 Silicon 3 Tantalum 4 Ultra pure carbon2 1572
Monazite is an ore of 1 Iron 2 Titanium 3 Thorium 4 Zirconium1 1939
Water is a compound because 1 It exists as a solid, a liquid or a gas 2 It contains hydrogen and oxygen 3 It contains two different elements joined by chemical bonds 4 It cannot be split up into simpler substances by chemical means1 6091
The element nickel is a 1 Magnetic metal 2 Radioactive metal 3 Non magnetic metal 4 Complex element1 1401
Potassium permanganate is used for purifying drinking water, because 1 It is dissolves the impurities of water 2 It is a sterilizing agent 3 It is an oxidizing agent 4 It is a reducing agent3 6165
Graphite and sillimanite are 1 Refractory minerals 2 Ferrous minerals 3 Base minerals 4 None of these1 5239
The presence of which of the following salts in water causes corrosion in steam boilers? 1 Sodium chloride 2 Magnesium chloride 3 Calcium bicarbonate 4 Potassium bicarbonate1 2761
When an iron nail gets rusted, iron oxide is formed 1 Without any change in the weight of the nail 2 With increase in the weight of the nail 3 With decrease in the weight of the nail 4 None of these1 5103
Water is a good solvent of ionic salts because 1 It has no colour 2 It has a high boiling point 3 It has a high dipole moment 4 It has a high specific heat1 2409
The hardest substance available on earth is 1 Platinum 2 Coal 3 Diamond 4 Gold12 31247
Actinides are the elements with atomic numbers from 1 36 to 43 2 89 to 103 3 97 to 114 4 101 to 1151 1631
Which of the following is the best conductor of electricity? 1 Zinc 2 Copper 3 Gold 4 Silver5 4866
The ratio of pure gold in 18 carat gold is 1 60% 2 75% 3 80% 4 100%3 10885
The highest grade of coal whose surface is shining and has the highest calorific value, is 1 Bituminous 2 Lignite 3 Anthracite 4 Peat1 6096
Name the Blood Vessels in Fish?
what are the advantages and disadvantages of rational knowledge?
Describe about Fusing spleen cells with myeloma cells using PEG ?
What is the basic PC architecture (main components)?
what is overall expansion,hp expansion,ip expansion and axial shaft of a steam turbine?
Why Lactobacilli are considered the most aciduric and acidogenic organisms in the oral cavity ?
What can be the supporter of combustion except oxygen.
Cystic fibrosis (CF) occurs with a frequency of about 1/2500 Caucasian newborns and is inherited as an autosomal recessive. A woman had an older sister die from complications of this disease. CF is not present among relatives of her husband. Both the woman and her husband have normal phenotypes. What is the chance this couple will have a CF child
Why irmoisture balance is used for corrugated box moisture testing
interview just dial market line
What is the calibration of HPLC?
In pickling process of titatium with HCL . how to know if the acid is not effective after pickling several batch. is there any test to know it. (not practically)
What is the trouble in growing streptococcus species?
What is the simple method for isolating parasite DNA from clinical samples?
how longs & what conditions will a matter, say for example U, after an atomic explosion and was converted completely into energy will again condensed back into a matter named U'