Description : Assertion : Gold occurs in native state. Reason : Gold dissolves in aqua-regia.
Last Answer : Assertion : Gold occurs in native state. Reason : Gold dissolves in aqua-regia. A. Statement -1 is ... . Statement-1 is false but Statement -2 is true
Description : Which of the following metal occurs in native
Last Answer : Which of the following metal occurs in native A. Ca B. Au C. Zn D. Al
Description : Give reason: Gold occurs in native form.
Last Answer : Gold is low in the reactivity series. It is least reactive or unreactive. Hence gold is found in free state.
Description : Which group of three of the following five statements (1-5) contain all three correct statements regarding beri-beri? 1. A crippling disease prevalent among the native population of sub-Saharan Africa. 2. A deficiency disease caused by lack ... and 5 (b) 1, 2 and 4 (c) 1, 3 and 5 (d) 2, 3 and 5
Last Answer : a) 2, 4 and 5
Description : Which of the following elements is found in the earth's crust as both a native element and as a compound? w) argon x) copper y) chlorine z) silicon
Last Answer : ANSWER: X -- COPPER
Description : What is a pale yellow element that commonly occurs in nature?
Last Answer : Need answer
Description : Anemia occurs due to the lack of the element (a) iodine (b) calcium (c) potassium (d) iron
Last Answer : Ans:(d)
Description : When composite transposons are formed A- a small deletion occurs in the transposase gene of an IS element B- a small deletion occurs in the transposase gene of an IS element and plasmid is ... a plasmid D- two IS elements integrate into a chromosome with only a small distance separating them
Last Answer : two IS elements integrate into a chromosome with only a small distance separating them
Description : Steels with high carbon equivalent have poor Weldability, because in these steels during welding (A) Carbon and other alloying elements get oxidised from the weld pool (B) Excessive ferrite forms in the ... of carbon and other element occurs in the weld pool leading to poor properties of the weld
Last Answer : (C) Martensite forms in the heat affected zone leading to poor toughness/ductility of the weld
Description : Which of the following is the element which makes up about 8 percent of the earth's crust and occurs in all rocks except limestone and sandstone? w) sulfur x) aluminum y) sodium z) magnesium
Last Answer : ANSWER: X -- ALUMINUM
Description : I will be describing a chemical element. Try to identify it with the fewest number of clues. This chemical element is a silver-white metal, with bluish tinge, capable of taking a high polish. T element ... crust and used to make drink cans. The atomic number of this element is 13. Name t element.
Last Answer : ANSWER: ALUMINUM
Description : 1. What is the name given to an almost circular coral reef inside which there is a lagoon? 2. Chocolates can be bad for health because of a high content of which element? 3. In ... state receives rainfall from north-east monsoons? 20. Where are the traces of Portuguese culture found in India?
Last Answer : Answer : 1. Atoll 2. Nickel 3. Chloroplast 4. Pine, cedar, fir 5. Mathura 6. President 7. J. J. Thomson 8. 1982 9. Temperate forest 10. Ardhamagadhi 11. Donkey 12. Dendrochronology 13. President ... 15. Jaina 16. Zinc 17. Rana Kumbha 18. Industrial Development Bank of India 19. Tamil Nadu 20. Goa