Grade 9 Biology Unit 2 Old curriculum QUBEETUTORIAL .pdf
1.8 MB
Grade 9 biology old curriculum unit 2 short note and practice quations
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๐ก๐Why don't we have a quiz on heat and thermodynamics?
Put reactions if you want questions on heat and thermodynamics.
Put reactions if you want questions on heat and thermodynamics.
What does the first law of thermodynamics state?
Anonymous Quiz
8%
Energy can be created or destroyed
84%
Energy can be transformed from one form to another, but the total energy remains constant
0%
The entropy of a system always decreases
8%
Heat cannot be converted into work
In a closed system, if 500J of heat is added and 200J of work is done by the system, what is the change in internal energy?
Anonymous Quiz
55%
300J
35%
700J
6%
500J
4%
200J
What is specific heat capacity?
Anonymous Quiz
9%
The heat required to raise the temperature of a given volume of a substance
17%
The total heat required to change the temperature of a substance regardless of mass
15%
The heat required to convert a substance from solid to liquid at its melting point.
58%
The amount of heat required to raise the temperature of a unit mass of a substance by 1ยบC
Which of the following materials have the highest specific heat capacity
Anonymous Quiz
26%
Iron
49%
Water
10%
Sand
15%
Aluminium
If a metal is heated uniformly, what happens to its length
Anonymous Quiz
2%
It shrinks
17%
It remains unchanged
42%
It expands uniformly
38%
It expands unevenly based on temperature gradient
If two metal objects of the same area, one a metal sphere and one a hollow, are heated equally.
Which one is correct
Which one is correct
Anonymous Quiz
20%
The sphere will expand more
39%
The hollow ring will expand more
37%
They both will expand equally
4%
None of the above
At which of the following conditions does the triple point of water occur?
Anonymous Quiz
32%
0ยบC and 1 atm
28%
0.01ยบC and 611.657atm
34%
100ยบC and 1 atm
6%
-10ยบC and 500 pa
In a phase diagram, which area represents the conditions under which a substance can exist as a gas?
Anonymous Quiz
9%
Below the triple point
27%
Above the critical point line
20%
Between the solid and liquid lines
44%
In the region above the liquid-gas boundary and below the critical point.
Which of the following processes release energy to the surrounding?
Anonymous Quiz
3%
Melting
54%
Vaporization
28%
Freezing
15%
Sublimation
In a closed container, if a liquid is heated to its boiling point, what happens to the pressure within the container?
Anonymous Quiz
11%
It remains constant
21%
It decreases
66%
It increases due to the formation of vapor
2%
It becomes negative
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โQormaata Naannoo #Kutaa_6ffaafi_8ffaa #Guyyaa_Barnootaa_46_Qofa Hufuu Beektuu Laata?
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BBO- Ebla 10/2017 Qormaatni Naannoo kutaa 6ffaafi 8ffaa barattoota Naannoo Oromiyaa bara barnootaa 2017 akka sagantaa Biiroo Barnootaa Oromiyaatti Waxabajjii 16- 20/2017 jiddutti kan kennamu ta'uu kalaandariin barnootaa agarsiiseera.
Qormaata Naannoo kutaa 6ffaafi 8ffaa guyyoota barnootaa 46 kan hafe yoo ta'u, guyyoota Sanbataafi Dilbataa (tutooriyaaliifi qo'achuu barattootaa) dabalatee guyyoota 65 qofa kan hafan ta'uun hubatameera.
#Kanaafuu_barsiisotni_barattootnifi_maatiin_barattootaa guyyoota hafan kanneen keessatti tutooriyaaliin kennitan, kan qo'attaniifi deeggarsi maatiin kennu qabxii barattootaa fooyyessuu keessatti gahee olaanaa waan qabuuf jijjiiramaaf waliin dhaabbachuu qabna kan jedhu dhaamsa BBO ti.
#Dabalataanis_Qormaatni_Biyyoolessaa_kutaa_12ffaa bara 2017 ji'a Waxabajjii keessa waan kennamuuf gamanumaa qophii akka xumuran ni beeksifna.
Walumaa galatti, #manneen_barnootaa_deeggarsa_barattootaaf_taasisaa_jirtan_cimee_akka_itti_fufu, barsiisotni gosa barnoota barsiisaniin '#portion' #dursanii_akka_xumuraniifi_waraqaalee_qormaataa_waggoota_darbanii_akka_shaakalsiisan wal yaadachiisuun qabxii ijoollee keenyaaf ni fayyada.
#_Qabxii_qormaataa_barattoota_keenyaaf_deeggarsi_barsiisotaafi_maatii_hundaa_ol_murteessaadha!
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BBO- Ebla 10/2017 Qormaatni Naannoo kutaa 6ffaafi 8ffaa barattoota Naannoo Oromiyaa bara barnootaa 2017 akka sagantaa Biiroo Barnootaa Oromiyaatti Waxabajjii 16- 20/2017 jiddutti kan kennamu ta'uu kalaandariin barnootaa agarsiiseera.
Qormaata Naannoo kutaa 6ffaafi 8ffaa guyyoota barnootaa 46 kan hafe yoo ta'u, guyyoota Sanbataafi Dilbataa (tutooriyaaliifi qo'achuu barattootaa) dabalatee guyyoota 65 qofa kan hafan ta'uun hubatameera.
#Kanaafuu_barsiisotni_barattootnifi_maatiin_barattootaa guyyoota hafan kanneen keessatti tutooriyaaliin kennitan, kan qo'attaniifi deeggarsi maatiin kennu qabxii barattootaa fooyyessuu keessatti gahee olaanaa waan qabuuf jijjiiramaaf waliin dhaabbachuu qabna kan jedhu dhaamsa BBO ti.
#Dabalataanis_Qormaatni_Biyyoolessaa_kutaa_12ffaa bara 2017 ji'a Waxabajjii keessa waan kennamuuf gamanumaa qophii akka xumuran ni beeksifna.
Walumaa galatti, #manneen_barnootaa_deeggarsa_barattootaaf_taasisaa_jirtan_cimee_akka_itti_fufu, barsiisotni gosa barnoota barsiisaniin '#portion' #dursanii_akka_xumuraniifi_waraqaalee_qormaataa_waggoota_darbanii_akka_shaakalsiisan wal yaadachiisuun qabxii ijoollee keenyaaf ni fayyada.
#_Qabxii_qormaataa_barattoota_keenyaaf_deeggarsi_barsiisotaafi_maatii_hundaa_ol_murteessaadha!
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BILILLEE ACADEMY pinned ยซ๐ก๐Why don't we have a quiz on heat and thermodynamics? Put reactions if you want questions on heat and thermodynamics.ยป
แจแตแแฐแ แญแแ แแดแ แแฐแ แญแแแแ?
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BIOLOGY EXAM ON ENERGY TRANSFORMATION AND CLASSIFICATION.PDF
353.5 KB
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