Doubtly
@Doubtly · Joined Feb 2021
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- Write an e-mail to the General Manager of the supermarket seeking permission to display the notice and requesting a sponsorship for the event.
- Write an e-mail, addressing teachers in-charge of different classes that will participate in the function. Sample e-mail announcing auditions for the dramatics competition From: culturalsecretary@abcschool.edu.in To: classteachers@abcschool.edu.in... 1
- Write an e-mail informing the office-bearers of a school’s Science Society about their meeting To: (e-mail ids of office bearers of the Science Society at Abalus Public School, Husainganj, Lucknow) Cc: (e-mail ids of other staff member... 1
- Write an E-mail addressing all students and teachers, and informing them about the fair and informing students To: (e-mail ids of students/class teachers concerned) Subject: Charity Fair is being organized for anath ashram {or any needy group of peopl... 1
- Write a request letter to your headmaster to start yoga classes in school. 207, ram nivas bhagat singh road, Dombivali, {Date here} To, The Headmaster, Subhash chandra bose Vidyalaya, dombivali (E), Thane - 421201 S... 2
- maharashtra board doubt solution for std 10th to 12th Brainiak.in is one of the best social learning platform , we help maharashtra board students to clear doubts from the syllabus , our team ex... 1
- Zr(Z=40) and Hf(Z=72) have similar atomic and ionic radii because of : (1) having similar chemical properties (2) belogning to same group (4) lanthanoid contraction ::From IV A to II B Due to lanthanoid contration size of 4d & 5d series elements of same group are approx same. 1
- Identify the compound that will react with Hinsberg's reagent to give a solid which dissolves in alkali Correct option is 4) 1º amine reacts with hinsberg reagent to give ppt. that is soluble in alkali. CH3–CH2–NH2 https://lh3.googleusercontent... 1
- The RBC deficiency is deficiency disease of: (1) Vitamin B2 (2) Vitamin B12 (3) Vitamin B6 (4) Vitamin B1 Correct option is 2) Vitamin B12 2
- Which one of the following polymers is prepared by addition polymerisation? (1) Dacron (2) Teflon (3) Nylon-66 (4) Novolac Teflon:: Correct Answer is 2) Teflon 2
- Match List - I with List - II. List-I List-II (a) PCl5 (i) Square pyramidal (b) SF6 (ii) Trigonal planar (c) BrF5 (iii) Octahedral option 1 is correct (1) (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii) 1
- The compound which shows metamerism is : (1) C5H12 (2) C3H8O (3) C3H6O (4) C4H10O Correct option is (4) C₄H₁₀O This molecular formula is applicable for homologous series ether (–O–) a bivalent functional group and as we kn... 1
- The right option for the statement. “Tyndall effect is exhibited by”. is: (1) Urea solution (2) NaCl solution (3) Glucose solution (4) Starch solution (4) Starch solution Tyndall effect shown by starch solution 2
- Which of the following reactions is the metal displacement reaction ? Choose the right option Correct option is 3) Cr₂O₃+2Al→ Al₂O₃+2Cr 1
- A particular station of All India Radio, New Delhi, broadcasts on a frequency of 1.368 kHz (kilohertz). (2) 219.3 m Explaination::::: ν=C/λ λ=C/ν λ=3× 10⁸/1368×10³ λ = 219.29 1
- The molar conductance of NaCl, HCl and CH3COONa at infinite dilution are 126.45, 426.16 and 91.0 S cm2 mol–1 respectively. (3) 390.71 S cm² mol^(–1) 1
- The major product of the following chemical reaction is : CH3 CH3 CH – CH = CH2 + HBr (C6H5CO)2O2 ? (1) CH3 CH3 CBr – C (2) CH3 CH3 CH – CH2 – CH2 –Br Peroxide effect, major product according to anti markovnikov's rule (based on stability of free radical inter... 2
- BF3 is planar and electron deficient compound. Hybridization and number of electrons around the central atom, respectively are : (4) sp2 and 6 1