01. |
Chemical Reactions and Equations no deletion |
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02. | Acids, Bases and Salts no deletion |
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03. | Metals and Non metals 3.1.1, 3.1.2 deleted |
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04. | Carbon and its Compounds 4.4.1, 4.4.2, 4.5 deleted |
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05. | Periodic Classification of Elements 5.1, 5.1.1, 5.1.2 deleted |
06. |
Life Processes 6.1, 6.2, 6.2.1, 6.2.2, 6.2.3, 6.4.2 deleted |
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07. |
Control and Coordination 7.2, 7.2.1, 7.2.2 deleted |
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08. |
How do Organisms Reproduce? 8.1, 8.1.1 deleted |
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09. |
Heredity and Evolution 9.1, 9.5, 9.5.1, 9.5.3, 9.6, 9.6.1 deleted |
10. |
Reflection and Refraction 10.3.2 deleted |
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11. |
The Human Eye and the Colourful World 11.1, 11.6.3 deleted |
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12. |
Electricity no deletion |
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13. |
Magnetic Effects of Electric Current 13.4, 13.5, 13.6 (Principle and use of motor and generator for evaluation ) deleted |
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14. |
Sources of Energy 14.3.2, 14.3.3, 14.3.4, 14.4, 14.5 deleted |
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Electrolytes | Non Electrolytes |
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Solution Which conduct Electricity | Solution Which do not conduct Electricity |
Electrolytes contains ions | Non Electrolytes do not contain ions |
Good conductor of electricity | Do not conduct or bad conductor of electricity |
ex. NaCl Solution ,Dilute HCL ,Rain Water , Tab Water ,NAOH | ex. Gulcose Solution Alcohol Solution Distill Water |
Strong Electrolytes | Weak Electrolytes |
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Electrolytes that contain many ions are called strong electrolytes | Electrolytes that contain few ions are called weak electrolytes |
ex. NaCl, HCL, NAOH | ex. acetic acid, carbonic acid |
Strong acid or base | Weak acid or base |
Are those susbstance which produces large number of ions in solution | Are those susbstance which produces less/few number of ions in solution |
Strong acid ex. HCL, H2SO4, HNO3 | Weak acid ex citric acid, lactic acid, acetic acid, carbonic acid, phosphorice acid. |
Strong base ex NAOH, KOH, CA(OH)2 | Weak base ex Mg(OH)2, NH4OH, AL(OH)3 |
Strong bases are highely corrosive | We can consume Weak acid |
Natural Source | Acid |
Vinegar | acetic acid |
Orange, lemon | citrc acid |
Tamarind | Tartaric acid |
Sour milk | lactic acid |
Tomato | oxalic acid |
Ant sting, Nettle Sting | Methanoic acid |
Strong acid | Strong base |
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Weak acid | Waek base |
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Hydrocarbons | |||
n | Alkane CnH2n+2 |
Alkene CnH2n |
Alkyne CnH2n-2 |
1 | Methane | - | - |
2 | Ethane | Ethene | Ethyne |
3 | Propane | Propene | Propyne |
4 | Butane | Butene | Butyne e |
n-butane iso-butane |
n-butene iso-butene |
n-butyne iso-butyne |
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5 | Pentane | Pentene | Pentyne |
n-pentane iso-pentane neo-pentane |
n-pentene iso-pentene neo-pentene |
n-pentyne iso-pentyne neo-pentyne |
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will pass through focus of concave mirror | or appear to diverge from principal focus of convex mirror |
of concave mirror after reflection will emerge parallel to principal axis | or a ray which is directed at principal focus of convex mirror after reflection will emerge parallel to principal axis |
of concave mirror after reflection is reflected along the same path. | or directed in the direction of centre of curvature of convex mirror after reflection is reflected along the same path |
concave mirror ∠i = ∠r | convex mirror ∠i = ∠r |
1 | = | 1 + | 1 | Where f- focal length, V image distance from pole, u - object distance from pole- |
f | v | u |
m = | h! | = | -v | Where h! - height of image, h - height of object |
h | u |
Sine i | = | constant | Where constant is called refractive index(n) | |
Sine r |
Sine i | = | Refractive index(n) |
Sine r |
n21 = | speed of light in medium 1 |
speed of light in medium 2 |
nm = | speed of light in air |
speed of light in medium |
nm = | C |
V |
1 | = | 1 - | 1 | Where f- focal length, v image distance from optical center, u - object distance from optical center- |
f | v | u | ||
m = | h! | = | v | Where h! - height of image, h - height of object |
h | u |
Current | = | Charge | I | = | Q | |
Time | t |
Potential difference | = | Work | V | = | W | |
Charge | Q |
Ammmeter | Voltmeter |
It measures current in electric circuit | It measures Potential difference between two points |
Connected in series with the device | Connected in parallel with the device |
V = IR | OR | V | = | R | |
I | |||||
where R is proportionality constant called Resistance | |||||
Substances | Ex | Resistance |
Good conductors | cu, ag | low resistance |
Insulators | wood | very high resistance |
Resistor | have appreciable resistance |
R | ∝ | 1 |
A |
R | ∝ | l (length) |
A |
R | = | p * | l (length) | |||
A | ||||||
p - proportionality constance called resistivity resistivity depends on temperature & material
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SI unit of resistivity is ohmmeter (Ωm) |
1 | = | 1 | 1 | 1 |
Rp | R1 | R2 | R3 |
H = I2Rt | (as V = IR by ohms law) and (t in seconds) |