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The element required for solar energy conversion is 1 Beryllium 2 Silicon 3 Tantalum 4 Ultra pure carbon
SSC,
2 7874Water 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 means
1 9496The element nickel is a 1 Magnetic metal 2 Radioactive metal 3 Non magnetic metal 4 Complex element
1 3585Potassium 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 agent
3 10028Graphite and sillimanite are 1 Refractory minerals 2 Ferrous minerals 3 Base minerals 4 None of these
1 9723The 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 bicarbonate
1 5972When 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 these
1 8213Water 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 heat
1 5341Actinides are the elements with atomic numbers from 1 36 to 43 2 89 to 103 3 97 to 114 4 101 to 115
1 3815Which of the following is the best conductor of electricity? 1 Zinc 2 Copper 3 Gold 4 Silver
5 10247The highest grade of coal whose surface is shining and has the highest calorific value, is 1 Bituminous 2 Lignite 3 Anthracite 4 Peat
1 10206
please tell me answer of these qs. what is pure botany? what is applied botany? i face these Qs in commission exam plz plz help me.
How do you ensure culturally sensitive anesthesia care, especially when dealing with patients from diverse cultural backgrounds?
What are the main responsibilities of an anesthesiologist before, during, and after surgical procedures?
Give an account of Double-Thymidine Block for Hela Cells ?
What morphological scientific name is given to a spherically shaped bacterium?
What is coelom?
Why does marble rarely contains fossils?
Where is intracellular fluid normally found?
How many types of defensive barriers are there in innate immunity?
Describe the impact of rheumatic diseases on family planning and reproductive health.
Does mitosis occur in irradiated cells in ionizing radiation?
what is ur strengths and weekness in ur professional life as medical rep?
What are some facts about igneous rocks? : soil science
What is the structure of phosphorous?
What are respectively some remarkable functions of albumin?
