The element required for solar energy conversion is 1 Beryllium 2 Silicon 3 Tantalum 4 Ultra pure carbon1 1410
Monazite is an ore of 1 Iron 2 Titanium 3 Thorium 4 Zirconium1 1816
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 5738
The element nickel is a 1 Magnetic metal 2 Radioactive metal 3 Non magnetic metal 4 Complex element1 1238
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 5584
Graphite and sillimanite are 1 Refractory minerals 2 Ferrous minerals 3 Base minerals 4 None of these1 4831
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 2285
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 4615
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 2211
The hardest substance available on earth is 1 Platinum 2 Coal 3 Diamond 4 Gold12 28743
Actinides are the elements with atomic numbers from 1 36 to 43 2 89 to 103 3 97 to 114 4 101 to 1151 1461
Which of the following is the best conductor of electricity? 1 Zinc 2 Copper 3 Gold 4 Silver5 4422
The ratio of pure gold in 18 carat gold is 1 60% 2 75% 3 80% 4 100%2 9494
The highest grade of coal whose surface is shining and has the highest calorific value, is 1 Bituminous 2 Lignite 3 Anthracite 4 Peat1 5151
Why algae Spirulina is called the food of the future?
what defines herbs from other plants?
In cats yellow is due to gene B and black to its allele b. These genes are located on the X chromosome (sex-linked). The heterozygous results in calico (tortoise shell). What kinds of offspring (sex & color) are expected from the cross: black male & calico female? Most calico males are sterile, why?
Give procedure for Separation of dead cells from cultures ?
i want to increase my ups back time ,i have added one 12v 68ah battery to my ups but it is not working ,is it possible to make adjustment so that new battery will work.
I want to pursue my career in finding out drugs/medicines to cure bacterial/viral /genitically caused diseases. which part of biotechnology should I choose?red or white biotechnology?If i had to choose red biotechnology should I do B.Tech in biotech or B.Tech in industrial biotech?what are the companies that offers job for a red biotechnologist?
what horticultural practices are required to advance the maturity of fruit?
Define miasma notion of disease?
when we calibrate uv for control of wavelength we scan for 200 to 800 nm but we get the result only for some specific wavelength how we confirm for all other wavelength?
What exepients are used in dry powder injections?
Describe the grafting in jasmine tree?
what's the effect of dichlorodiphenyl trichloroethane on plants?
what is DRG cell culture?
Can any one tell me that which brand hplc column is used for levetiracetam imp- b test.
Give an account on Genomic DNA isolation ?