Cc Final Exam - Grade 9
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When applying heat to (Aluminum hydroxide) it will decompose producing an aluminum compound. Write the formula of this compound.________
This quiz titled 'CC Final Exam - Grade 9' assesses preferences in an unspecified context, likely aiming to evaluate decision-making or preference trends among Grade 9 students.
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When reacting Magnesium Carbonate with HCl a compound, water and a gas produce. Write the formula of the compound produced.________
Explanation
When Magnesium Carbonate reacts with HCl, it undergoes a double displacement reaction. The Carbonate ion (CO3^2-) from Magnesium Carbonate combines with the Hydrogen ion (H+) from HCl to form water (H2O). The remaining Magnesium ion (Mg^2+) combines with the Chloride ion (Cl-) from HCl to form Magnesium Chloride (MgCl2). Therefore, the formula of the compound produced is MgCl2.Rate this question:
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When reacting Zinc with Steam a compound and a gas produce. Write the formula of the compound produced.________
Explanation
When zinc reacts with steam, it forms zinc oxide (ZnO).Rate this question:
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The question asks for the preferred choice among options A, B, C, and D. The correct answer is C, indicating that the person likes option C the most out of the given choices.Rate this question:
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The question asks for the individual's preference among the given options A, B, C, and D. The person has chosen option D as their preference.Rate this question:
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The explanation for the correct answer, D, is not provided.Rate this question:
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A. AExplanation
The question asks for a preference among options A, B, C, and D. The correct answer is A, indicating that the person likes option A the most out of the given choices.Rate this question:
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When reacting Ammonium Nitrate with Ca(OH)2 a compound, water and a gas produce. Write the formula of the compound produced.________
Correct Answer
Ca(NO3)2Explanation
When ammonium nitrate (NH4NO3) reacts with calcium hydroxide (Ca(OH)2), the products formed are calcium nitrate (Ca(NO3)2), water (H2O), and ammonia gas (NH3). Therefore, the formula of the compound produced is Ca(NO3)2.Rate this question:
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(a) ________. (b) ________. (c) ________. (d) ________
Correct Answer
impure nickel
pure nickel
nickel nitrate
decreaseExplanation
The given answer lists different substances - impure nickel, pure nickel, and nickel nitrate. It also states that the effect of these substances is a decrease. However, without any context or additional information, it is difficult to determine the specific question or scenario being referred to. Therefore, a complete explanation cannot be provided.Rate this question:
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The symbols of some particles are shown in the box. Select from the list of particles to answer the following questions. (write in the blank the letter that represent the answer) A particle may be selected once, more than once or not at all. An example is done for you to show how to write the correct answer. (example) pops with lighted splint? the answer is (R) (1) considered as the natural gas ? ________ (2) a radioactive fuel? ________ (3) a product of photosynthesis process ? ________ (4) is an acidic oxide? ________ (5) turns universal indicator yellow ? ________ (6) is the Hematite ? ________ (7) a blue salt ? ________ (8) has a nucleon number of 28 ? ________ (9) a basic gas? ________ (10) can be used as inert electrodes?________ (11) is a neutral oxide? ________ (12) turns limewater milky ? ________
Correct Answer
F,f
B,b
L,l
J,j
P,p
I,i
H,h
E,e
G,g
A,a
K,k
J,j - 47.
When reacting Nitric acid with Ca a compound and a gas produce. Write the formula of the compound produced.________
Correct Answer
Ca(NO3)2Explanation
When nitric acid (HNO3) reacts with calcium (Ca), it forms calcium nitrate (Ca(NO3)2) as the compound produced. This is because nitric acid is a strong acid that can donate hydrogen ions (H+) while calcium is a metal that can accept these ions. The resulting compound, calcium nitrate, is formed by the combination of one calcium ion (Ca2+) and two nitrate ions (NO3-) from the nitric acid.Rate this question:
- 48.
(a) ________ (b) ________ (c) ________ (d) ________
Correct Answer
increases,increase
decreases,decrease
decreases,decrease
decreases,decreaseExplanation
The given answer states that the first blank is filled with "increases" and the second blank is filled with "increase". This implies that the first blank represents a situation where something is increasing, and the second blank represents the action of increasing. Similarly, the third blank is filled with "decreases" and the fourth blank is filled with "decrease". This suggests that the third blank represents a situation where something is decreasing, and the fourth blank represents the action of decreasing. Therefore, the given answer provides a logical explanation for the relationship between the blanks.Rate this question:
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Essay 1
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Nov 20, 2024Quiz Edited by
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May 14, 2020Quiz Created by
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