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THE UNKNOWN SOLUTION TEAM
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Repost from THE UNKNOWN SOLUTION TEAM
*I hope by now you all have these app that I recommended to you students since last year and has gone far in reading and also using it to practice*
Download the MYSCHOOL APP to practice past questions for free and have access to free exam tools and info. Click the click https://play.google.com/store/apps/details?id=com.myschool.cbt
☝️☝️☝️☝️☝️
🌟 IMPORTANT TIPS TO HELP YOU 🌟
👉STRONG ACID💪
Remember 7 strong acid...
Out of those, 4 acid are made up of halogen so it is simple
eg. HCl, HBr, HI , HF
For remaining 3 acid, remember the subscipts 2,3,4 eg. H2SO4 , HCLO3, HCLO4
And all types of salt
It works for me❤️
👉WEAK ACID 🫠
Those acid who don't comes under the 7 names of above strong acid can be considered as weak acid... They includes oxyacids of P and many more
👉STRONG BASE 💪
Any soluble salt that contains hydroxide are strong base
ALL ALKALI METAL HYDROXIDE except - Ba(OH)2
Alkali metal = group 1 members
👉WEAK BASE 🫠
ALL ALKALINE EARTH METAL HYDROXIDE except Ba(OH)2 ,all organic base.
Alkaline earth metals - group -2 members
Electric Charges and Fields
1. Electric Charge Charge is the property associated with matter due to which it produces and experiences electric and magnetic effect.
2. Conductors and Insulators Those substances which readily allow the passage of electricity through them are called conductors, e.g. metals, the earth and those substances which offer high resistance to the passage of electricity are called insulators, e.g. plastic rod and nylon.
3. Transference of electrons is the cause of frictional electricity.
4. Additivity of Charges- Charge are scalars and they add up like real numbers. It means if a system consists of n charges q1, q2, q3 , … ,qn, then total charge of the system will be q1 +q2 + … +qn.
5. Conservation of Charge The total charge of an isolated system is always conserved, i.e. initial and final charge of the system will be same.
6. Quantisation of Charge -Charge exists in discrete amount rather than continuous value and hence, quantised.
Mathematically, charge on an object, q=±ne
where, n is an integer and e is electronic charge. When any physical quantity exists in discrete packets rather than in continuous amount, the quantity is said to be quantised. Hence, charge is quantised.
7. Units of Charge
(i) SI unit coulomb (C)
(ii) CGS system
(a) electrostatic unit, esu of charge or stat-coulomb (stat-C)
(b) electromagnetic unit, emu of charge or ab-C (ab-coulomb)
1 ab-C = 10 C, 1 C = 3 x 109 stat-C
*📍UPDATE📍*
*EID-EL-FITRI: FG DECLARES TUESDAY, WEDNESDAY, PUBLIC HOLIDAY(DETAILS)*
ALL NEW MEMBERS SHOULD KINDLY CHECK ALL THE PINED MESSAGES VERY IMPORTANT
AS FROM TODAY THE NAME EXAMGOD , IS NOT THESE PLATFORM NAME AGAIN , I WILL BE USING THE UNKNOWN TILL MY TEAM AGREES ON NEW NAME WE WILL USING.
SO I AM MR UNKNOWN🧏.
VOTING HAS ENDED AND THE RESULTS ARE BELOW 👇.
SO THE TOTAL VOTES THAT AGREED IN BOTH WHATSAPP AND TELEGRAM IS 👉 28
WHILE THE TOTAL VOTES THAT DISAGREED IN BOTH WHATSAPP AND TELEGRAM IS 👉 18
SO MAJORITY CARRIES THE VOTES AND YES MAJORITY HAS AGREED 👍.
CONGRATULATIONS TO US ALL 👍.
Now the pole on two sides (WHATSAPP AND TELEGRAM POLES) are saying opposite,
What I will do is that I will compare number of voters on both sides that agreed then decide on the next step I will take.
