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1.As we move from left to right in period 3,the gram atomic VOLUME of the elements ______
2.If the empirical formula of a compound is CH2O, then its mol. form can be-a) C2H2 b) C2H4O c) C3H6O d) C6H12O
[told ya they ask marvelous stuff in prelims.]
3.Why is H+ called a proton? [For 2 marks]
4.A compound X(molform C2H2O2) reacts with Na to form a comp R and evolves a gas which burns with pop sound. Comp X on treatment with alcohol A in presence of an acid forms a sweet smelling compound S molform C3H6O2. on addition of NaOH to X also gives R and water. S on treatment with NaOH sol gives back R and A. Identify each. [4 marks] |
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| asked by Isha Choudhury (dessicatedcoconut) 5 years ago |
5 |
RESUSER : *makes a grammatical mistake*
ME : *what new word is this* *he is so good in English* *so rich vocabulary* *I can't even understand these high-tech words* *Is it Shakespearean* *I am so stupid* |
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| asked by Ansh Anand (teleansh) 5 years ago |
1 |
Why is HCl a stronger acid than H2CO3 or organic acids? For that matter, can you explain the same case with bases as well (alkalis--- KOH vs. Ca(OH)2 or NH4OH)
Is it to do with partial or complete dissociation? |
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| asked by Aditi RK (sciencegeek) 5 years ago |
2 |
https://www.lumendatabase.org/notices/17221290# "May affect students' preparations for their exams negatively" wow. Such logic.
So, question papers are copyrighted too now?
This is commercialism at its peak. Lol. |
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| asked by Yashaswini Joshi (yashaswini72) 5 years ago |
10 |
In organic chemistry while giving iupac names for structural formulas if say it is pent-2-ane then we have to count it from Right to left or left to right? |
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| asked by Aryan Jani (aryan_jani) 5 years ago |
1 |
is the concentration of alluminium ore BAEYERS PROCESS OR CHEMICAL METHOD |
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| asked by Sankhya Gowda (taankkkkk) 5 years ago |
2 |
I know that this question has no logic,But
Are cells made up of atoms?? |
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| asked by Bitthal Maheshwari (bitthal04) 5 years ago |
2 |
How to convert FeCl3 to FeCl2
Plz tell if it is there in Dalal then pg no. |
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| asked by SODA The Ultimate comedy (aniruddha_1) 5 years ago |
4 |
Can I use "Greenish yellow" and "Yellowish Green" interchangeably? 👀 Also, is Brown Ring Test for HNO3 in syllabus? |
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| asked by Prateek Pradhan (prateek235) 5 years ago |
3 |
On Aditya's demand:
Group 1:
LiNa Ki Rab Se(Cs) Fariyad
Group 2:
Beta Mange Car Scooter Baap Raazi
Group 13:
Baingan Aloo Gajar In Thaila
Group 14:
CaShi (Kashi) Gaye Shankar Parbati
Group 15:
Nepal Pakistan Australia Sab Bhikhari
Group 16:
Us (O S) Se Tipo (Te Po) (tipo = to cheat)
Group 17:
Fir Kal (Cl) Bahar Aayi Aunty
Group 18:
Heena Neena Aur Kareena Ka X(e)ray Rangeen |
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| asked by ... (sam307) 5 years ago |
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