The element required for solar energy conversion is 1 Beryllium 2 Silicon 3 Tantalum 4 Ultra pure carbon1 1429
Monazite is an ore of 1 Iron 2 Titanium 3 Thorium 4 Zirconium1 1831
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 5793
The element nickel is a 1 Magnetic metal 2 Radioactive metal 3 Non magnetic metal 4 Complex element1 1255
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 5700
Graphite and sillimanite are 1 Refractory minerals 2 Ferrous minerals 3 Base minerals 4 None of these1 4887
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 2367
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 4690
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 2233
The hardest substance available on earth is 1 Platinum 2 Coal 3 Diamond 4 Gold12 29207
Actinides are the elements with atomic numbers from 1 36 to 43 2 89 to 103 3 97 to 114 4 101 to 1151 1476
Which of the following is the best conductor of electricity? 1 Zinc 2 Copper 3 Gold 4 Silver5 4488
The ratio of pure gold in 18 carat gold is 1 60% 2 75% 3 80% 4 100%2 9675
The highest grade of coal whose surface is shining and has the highest calorific value, is 1 Bituminous 2 Lignite 3 Anthracite 4 Peat1 5283
Explain the Electrotransformation to lactobacillus delbrueckii ?
What are the occupational factors of Dupuytren's contracture?
What is the difference between spreading and striking ?
How to caluclate %w/v& %w/w ple give examples solids&liquids 10%NAOH W/W 10%W/V- 20%HCL W/W &W/V
How to select temperature of ODT in disintegration test
will u pls suggest me which books should i prepare for group 2. and where will i get that books. pls pls
what is Resolution?
Does a person diagnosed with turner syndrome have trouble hearing? please reply if you have this syndrome or know someone who does.
what is the use of chemistry in banking
why are SRAMs used in small memory application and DRAMs used in large memory appllication
WHAT IS THE SYLLABUS OO GROUP -I?
A 30 year old woman requests termination of pregnancy at 7 weeks gestation. How you will counsel her and discuss the available options for pregnancy termination.
i have pcb and i am all set to do biotech so i wanted to know is this a successful option which has its perks??
what are the role of chemical education in sustainable development
the insect not useful toman is