Related Questions

IUPAC পদ্ধতিতে COOH - COOH যৌগটির নাম কী?
A ইথানয়িক এসিড
B অক্সালিক এসিড
C ইথেন ডাই অয়িক এসিড
D ম্যালিক এসিড
You are the network administrator for your company. Mike Nash is a member of the Administration group, and Nate Sun is a member of the Intern group. Both groups are in the same domain. On the intranet server, the Administration group is placed in the Security group, and the Intern group is placed in the Nonsecurity group. The Security group is then granted Full Control permission for the Sales virtual directory. Nate needs to update new sales information that is located on the Sales virtual directory. What should you do so that Nate can perform this task?
A Enable Anonymous access for the intranet server
B Enable Anonymous access for the Sales virtual directory
C Remove Nate fmm the Intern group
D Make Nate a member of the Security group
E None of above
A group consists of six members A, B, C, D, E and F. There are two housewife, one professor, one engineer, one accountant and one lawyer in the group. There are two married couples among the members of the group. D is a housewife and she is married to a lawyer. No woman in the group is either an engineer or an accountant. C is an accountant and married to F who is a professor. A is married to a housewife. How many males are there in the group?
A 2
B 3
C 4
D 5
A,B,C,D,E and F are a group of friends.There are two housewifes, one professor,one engines ,one accountant and one lawyer in the group.There are only two married couples in the group .The lawyer is married to D, who is a housewife.No woman in the group is either an engineer or an accountant.C, the accountant, is married to F, who is a professor.A is married to a housewife. How many members of the group are males?
A 4
B 3
C 1
D Cannot be determined
A,B,C,D,E and F are a group of friends.There are two housewifes, one professor,one engines ,one accountant and one lawyer in the group.There are only two married couples in the group .The lawyer is married to D, who is a housewife.No woman in the group is either an engineer or an accountant.C, the accountant, is married to F, who is a professor.A is married to a housewife. Which of the following is one of the married couples ?
A A&D
B D&E
C B&E
D A&B
নিম্নের বিক্রিয়াটির নাম কি? 2C6H5-CH=O+ conc.KOH→C6H5-COOH +C6H5CH2-OH
A Aldol condensation
B Cannizzaro reaction
C Friedel -Crafts reaction
D Perkin reaction
যখন -COOH গ্রুপ বেনজিন চক্রে প্রতিস্থাপক হিসেবে যুক্ত থাকে তখন সেটা আগত গ্রুপ কে-
A o- নির্দেশ করে
B p- নির্দেশ করে
C m- নির্দেশ করে
D o ও p উভয়ই নির্দেশ করে
H-COOH এর উৎস কোনটি ?
A প্রপায়নাস
B বিউটাইরাম
C ফরমিকা
D এসিটাম
C6H12O6 →উংসেচক  2CH3CH(OH)COOH  +  18KCaI তাপশক্তি উপরের সমীকরণটি থেকে যা বোঝানো হচ্ছে-
A ফারমেনটেশন
B অবাত শ্বসন
C গ্লাইকোলাইসিস
D সবাত শ্বসন
Ar-CHO →বিকারক (Reagent) →H+H2O ArCH(OH)COOH  বিকারকটি -
A RMgX
B HCN
C CH3Cl 
D   H2CO3

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