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Science - XI > CH-1 CHEMISTRY 11th > Flashcards

CH-1 CHEMISTRY 11th Flashcards

11th (64 cards)

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1
Q

Chemistry was developed because?

A
  1. Philosipher’s Stone
  2. Elixer of Life
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2
Q

Chemistry developed in which form & time period?

A

Chemistry developed mainly in the form
of Alchemy and Iatrochemistry during 1300-1600 CE.

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3
Q

who introduced alchemy to europe?

A

Arabs

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4
Q

when did modern alchemy take shape?

A

modern alchemy took shape in 18th century.

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5
Q

In ancient India

Chemistry was Called?

A

In ancient India, chemistry was called
Rasayan Shastra, Rastantra, Ras Kriya or
Rasvidya.

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6
Q

what is Rasayan Shastra?

A

Chemistry in ancient india

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7
Q

What did Rastantra Include ?

A

It included metallurgy, medicine,
manufacture of cosmetics, glass, dyes, etc.

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8
Q

What is the proof of development of Chemistry in Ancient India?

A

Systematic excavations at Mohenjodaro in
Sindh and Harappa in Punjab prove that the
story of development of chemistry in India
is very old.

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9
Q

What can be regarded as Earliest chemical process?

In Ancient India

A

Brick Making

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10
Q

what was used in construction in mohenjo Daro?

A

Baked Bricks

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11
Q

Which Chemical Compound had been used in Construction work in Ancient India?

A

Gypsum

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12
Q

Which Chemical Compound had been used in Construction work in Mohenjo Daro?

A

Gypsum

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13
Q

Gypsum Contains?

A

Lime , Sand and Traces of CaCO3.

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14
Q

What is faience?

A

A sort of Glass which is used in Ornaments.

BY Harrapans

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15
Q

Who made Faience?

A

Harappans

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16
Q

How did Harrapans Increase Hardness of Copper to use it for Making Artifacts?

A

By Using Tin and Arsenic

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17
Q

A No of Glass Objects Were Found in South India , When ? & Where ?

A

In Maski (1000-900 BCE)

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18
Q

A No of Glass Objects Were Found in North India, When? & Where?

A

In Hastinapur and Taxila (1000-200 BCE)

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19
Q

How were Glass and Glazes were Colored?

A

Glass and glazes were coloured by addition of colouring agents like metal oxides.

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20
Q

For Which Metals was extraction Developed in Early Chalcolithic Age?

A

Iron and Copper

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21
Q

According to which Veda, tanning of leather
and dying of cotton were practised during
1000–400 BCE ?

A

Rigveda

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22
Q

According to Rigveda, what was practised during 1000–400 BCE.

A

Tanning of Leather and Dying of Cotton

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23
Q

According to Rigveda, tanning of leather
and dying of cotton were practised during?

A

1000-400 BCE

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24
Q

What is still a chemical Mystery From kerala?

A

The golden gloss of the
black polished ware of northen India

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25
what did The golden gloss of the black polished ware of northen India Indicate to?
These wares indicate the mastery with which kiln temperatures could be controlled.
26
Whose Arthashastra describes the production of salt from sea ?
Kautilya's Arthashastra
27
Kautilya’s Arthashastra describes ?
Kautilya’s Arthashastra describes the production of salt from sea.
28
Which Book explains the importance of Alkalies?
Sushruta Samhita
29
Sushruta Samhita explains what?
Sushruta Samhita explains the importance of Alkalies.
30
What is Sushruta Samhita?
Sushruta Samhita explains the importance of Alkalies.
31
What does The Charaka Samhita Mention?
The Charaka Samhita mentions ancient indians who knew how to prepare : 1. sulphuric acid 2. nitric acid 3. oxides of copper, tin and zinc 4. the sulphates of copper, zinc and iron 5. the carbonates of lead and iron.
32
What describes the preparation of gunpowder mixture.
Rasopanishada
33
Rasopanishada describes?
Rasopanishada describes the preparation of gunpowder mixture.
34
Which Book Describes Prepration of Gunpowder?
Rasopanishada
35
Which texts also describe the preparation of fireworks using sulphur, charcoal, saltpetre (i.e., potassium nitrate), mercury, camphor, etc.
Tamil Texts
36
Tamil texts also describe the preparation of ?
Tamil texts also describe the preparation of fireworks using sulphur, charcoal, saltpetre (i.e., potassium nitrate), mercury, camphor, etc.
37
Tamil texts also describe the preparation of fireworks using?
Tamil texts also describe the preparation of fireworks using sulphur, charcoal, saltpetre (i.e., potassium nitrate), mercury, camphor, etc.
38
Who was Nagarjuna?
Nagarjuna was a great Indian scientist. He was a reputed chemist, an alchemist and a metallurgist.
39
Who was a reputed chemist, an alchemist and a metallurgist ?
Nagarjuna was a great Indian scientist. He was a reputed chemist, an alchemist and a metallurgist.
40
What was Nagarjuna's Book?
Rasratnakar
41
what did Nagarjuna's Book Dealt with?
His work Rasratnakar deals with - 1. the formulation of mercury compounds. 2. also methods for the extraction of metals, like gold, silver, tin and copper.
42
Rasratnakar Deals with
His work Rasratnakar deals with - 1. the formulation of mercury compounds. 2. also methods for the extraction of metals, like gold, silver, tin and copper.
43
Rsamavam describes?
It discusses - 1. the uses of various furnaces, ovens and crucibles for different purposes. 2. It describes methods by which metals could be identified by flame colour.
44
Rsamavam Appeared around? AND discuss what?
Rsamavam Appeared around 800 CE It discusses - 1. the uses of various furnaces, ovens and crucibles for different purposes. 2. It describes methods by which metals could be identified by flame colour.
45
Which Book describes methods by which metals could be identified by flame colour.
Rsamavam
46
What Did Chakrapani Discover? | person
Chakrapani discovered mercury sulphide. ## Footnote Also He invented Soap
47
How did Chakrapani Make Soap?
He used mustard oil and some alkalies as ingredients for making soap
48
What discoveries did Chakrapani Make?
Chakrapani discovered mercury sulphide. The credit for inventing soap also goes to him.
49
When did Indians Started making Soap?
18th Century
50
In 18th Century How did Indians make soap ?
Oil of Eranda and seeds of Mahua plant and calcium carbonate were used for making soap
51
what substances have tinting properties - 1. kamplcica 2. pattanga 3. jatuka 4. AOA
4. AOA
52
1ml =?
1g
53
**Solution whose Molality and Normality is known is c/d as . 1) Normal Solution 2) Standard Solution 3) Saturated Solution 4) Mole Solution **
2. Standard Solution
54
# **** what are The No. of Molecules present in 1cm cube of an Ideal Gas At STP is Called ______. 1. Avogadro's No. 2. Loschmidt No. 3. Graham's No. 4. Fibonacci No
2. Loschmidt No.
55
The value of Loschmidt No. is ____.
Loschmidt No. = 2.69 x 10^19 Molecules /Cm^3
56
# One or More than One Answers Correct.. Which Medicines Help in Cancer treatment? 1. Cisplatin 2. taxol 3. Butol 4. sorafenib | King Jong Un Plate pe khata hai Aur Tax Lagata Hai Cancer Pe
57
Which Medicine is used for Treatment of AIDS patients? 1. AZT 2. BZT 3. Cisplatin 4. Taxol
1. AZT (Azi do Thymidine)
58
Chemical Formula for Cisplatin :
[Pt(NH3)2 Cl2]
59
Formula for Taxol : ## Footnote Sabse Chote No ko TAX karke Apne Sath Jod liya
C47 H51 NO14
60
Law Of Conservation of Mass Is Given By: 1. Proust 2. Dalton 3. Lavoiser 4. Hund
3. Lavoiser
61
Atomic Mass x Specific Heat = ____. 1. Na / 6.022 x 10^23 2. Valency of Atom 3. 6.4 4. 5.8
62
Element with Z above 50 , Can be Radioactive. True Or False
True
63
Most Radioactive Element : 1. Francium 2. Uranium 3. Polonium 4. Antimoney
3. Polonium
64

Science - XI (7 decks)

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