D and f block important questions learninsta
WebOct 21, 2024 · The s-block elements of the Periodic Table are those in which the last electron enters the outermost s-orbital. As the s-orbital can accommodate only two electrons, two groups (1 & 2) belong to the s-block of the Periodic Table. Group-1 of periodic table contains : Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), … WebJul 7, 2024 · Question 10. If the diagonals of a rhombus are 12 cm and 5 cm, find the perimeter of the rhombus. Solution: Given: d 1 = 12 cm, d 2 = 5 cm The perimeter = 4 × side = 4 × 6.5 = 26 cm Hence, the perimeter = 26 cm. Mensuration Class 8 Extra Questions Short Answer Type. Question 11. The volume of a box is 13400 cm 3. The area of its …
D and f block important questions learninsta
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WebContents1 Important Questions for CBSE Class 12 Chemistry – The d- and f- Block Elements1.1 PREVIOUS YEARS QUESTIONS1.2 20151.3 Very Short Answer Type Questions [1 Mark]1.4 Short Answer Type Questions [I] [2 Marks]1.5 Short Answer Type Questions [II] [3 Marks]1.6 20141.7 Very Short Answer Type Questions [1 Mark]1.8 … WebJun 19, 2024 · Question 10. In curing cement plasters, water is sprinkled from time to time. This helps in. (a) Converting sand into silicic acid. (b) Keeping it cool. (c) Developing interlocking like crystals of hydrated silicates. (d) Hydrating sand and gravel mixed with cement. Answer. Question 11.
WebJun 24, 2024 · While a nucleic acid like DNA or RNA is made up of only 4 types of nucleotide monomers, proteins are made of. (a) 20 types of monomers (b) 40 types of monomers. (c) 30 types of monomers (d) only one type of monomer. Ans: (a) A homopolymer has only one type of building block called monomer repeated V number of … WebAug 23, 2024 · The following are some of the patterns of questions that are usually asked in NEET exam: 1) Questions based on general properties and classification of D and F …
WebJan 12, 2024 · D-block comprises elements from group 3 to 12 where the d-orbital is filled in an increasing order, while f-block is composed of the elements in the Lanthanoids and Actinoids series and includes elements … WebDec 6, 2024 · The d- and f-Block Elements Class 12 Important Questions Short Answer Type -I [SA – I] Question 6. Explain the following observations : (i) Generally there is an increase in density of elements …
WebJun 11, 2024 · Answer: Dignity of citizens and principle of political equality. Question 7. Democracy cannot provide solution to all the problems, it is also a difficult form of government to implement. It is _______ . Answer: One of the weaknesses of democracy. Question 8. The major challenges to democracy are _______ . poncho shirt womens dillardsWebThe d block elements are placed in the group 3-12 and F block element with 4f and 5f orbital filled progressively. General electronic configuration of d block elements is (n-1) d … poncho shirts menWebJul 12, 2024 · Answer. Question. H2S is more acidic than H2O because. (a) oxygen is more electronegative than sulphur. (b) atomic number of sulphur is higher than oxygen. (c) H—S bond dissociation energy is less as compared to H—O bond. (d) H—O bond dissociation energy is less also compared to H—S bond. Answer. Question. shante edwardsWebApr 8, 2024 · The d-block of the periodic table includes group 3 to 12. The elements placed in the group 3 – 12 are called d-block elements. In these elements d-orbitals are … ponchos kin crosswordQuestion 1. How would you account for the increasing oxidising power in the series: V02+ < Cr207 2-< Mn04–? (CBSE Sample Paper 2010) Answer: This is due to the increasing stability of the lower species to which they are reduced. Question 2. Which metal in the first transition series exhibits a +1 … See more Question 1. Assign reasons for the following: (i) Cu(I) Is not known In an aqueous solution. Answer: Because of the Lesser hydration enthalpy of Cu(I), It Is unstable In an … See more Question 1. (i) Transition metals and their compounds are generally found to be good catalysts. (ii) Metal-metal bonding is more frequent for the … See more shantee creek toledoWebLearnCBSE.in offers NCERT Solutions, RD Sharma Solutions, video lectures, notes, tests, textbook solutions, CBSE sample papers, solved past year papers, Formulas, and Extra Questions for CBSE, IIT JEE Main and Advanced, NEET. Start your preparation with LearnCBSE.in now. poncho shirt sateen fabricWebApr 10, 2024 · Work, Energy and Power Class 11 MCQs Questions with Answers. Question 1. A bullet is fired horizontally and gets embedded in a block kept on a table. If the table is frictionless, then. (a) only momentum is conserved. (b) only potential energy is conserved. (c) only K.E. is conserved. (d) both (a) and (b). Question 2. poncho showerproof packaway