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Alona [7]
3 years ago
11

Select the correct answer.

Chemistry
1 answer:
GREYUIT [131]3 years ago
8 0

Answer:HNO3 + NaOH → H2O + NaNO3

Explanation:

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If 115grams of a substance reacts with 84grams of another substance, what will be the mass of the products after the reaction?
AysviL [449]
Isn’t it 115+84 so 199
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3 years ago
14. What are the different types of river in Nepal ?explain them briefly ​
Stella [2.4K]

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21

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8 0
2 years ago
The elements C and Se have the same electronegativity value, 2.55. Which of the following claims about the compound that forms f
Rom4ik [11]

Answer:

B

Explanation:

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8 0
3 years ago
- Nitinol is an alloy of *
Aleks04 [339]

Answer:

Nickel and Titanium

Explanation:

Nitinol is an alloy of Nickel and Titanium. It posesses two properties such that,

  • The shape memory effect
  • Super elasticity

Shape memory is the ability of nitinol to undergo deformation at one temperature, stay in its deformed shape when the external force is removed.

Superelasticity is the ability for the metal to undergo large deformations and immediately return to its undeformed shape upon removal of the external load.

Hence, the correct option is (b) "Nickel and Titanium".

7 0
3 years ago
Why do a car's tires need more air in the winter than they do in the summer?
Hunter-Best [27]

Answer: Option (d) is the correct answer.

Explanation:

In winter's, temperature of atmosphere is low and due to this molecules of air present in the tire come closer to each other as they gain potential energy and loses kinetic energy.

Hence, air pressure decreases and there is need to fill more air in the tire.

Whereas is summer's, temperature is high so, molecules of air inside the tire gain kinetic energy and move rapidly from one place to another due to number of collisions. So, air pressure increases and there is no need to fill more air inside the tire.

Thus, we can conclude that the temperature is lower, so the air inside the tires contracts.

3 0
3 years ago
Read 2 more answers
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