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Question (21)

QN004290

The SI unit of temperature is

(A) degree Celsius
(B) degree Fahrenheit
(C) kelvin
(D) centigrade

Correct Answer: C

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Question (22)

QN004291

Convert 25°C into kelvin.

(A) 248.15 K
(B) 273.15 K
(C) 298.15 K
(D) 325.15 K

Correct Answer: C

Explanation:

25 + 273.15 = 298.15 K

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Question (23)

QN004292

Convert 40°C into kelvin.

(A) 313.15 K
(B) 273.15 K
(C) 300.15 K
(D) 350.15 K

Correct Answer: A

Explanation:

40 + 273.15 = 313.15 K

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Question (24)

QN004293

A sample has a temperature of 10°C. Its temperature in kelvin is

(A) 263.15 K
(B) 273.15 K
(C) 283.15 K
(D) 293.15 K

Correct Answer: C

Explanation:

10 + 273.15 = 283.15 K

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Question (25)

QN004294

Which expression correctly converts Celsius temperature to kelvin?

(A) K = °C − 273.15
(B) K = °C + 273.15
(C) K = °C × 273.15
(D) K = °C ÷ 273.15

Correct Answer: B

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Question (26)

QN004295

A laboratory thermometer shown in the textbook has a range of

(A) 0°C to 100°C
(B) –10°C to 110°C
(C) 35°C to 42°C
(D) 10°C to 90°C

Correct Answer: B

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Question (27)

QN004296

The lowest temperature measurable by the laboratory thermometer shown is

(A) –10°C
(B) 0°C
(C) 10°C
(D) –20°C

Correct Answer: A

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Question (28)

QN004297

The highest temperature measurable by the laboratory thermometer shown is

(A) 100°C
(B) 105°C
(C) 110°C
(D) 120°C

Correct Answer: C

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Question (29)

QN004298

A laboratory thermometer has marks at 0°C and 10°C with ten equal divisions between them. One small division represents

(A) 0.5°C
(B) 1°C
(C) 2°C
(D) 10°C

Correct Answer: B

Explanation:

10 ÷ 10 = 1°C

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Question (30)

QN004299

If a thermometer has marks at 20°C and 30°C with five equal divisions between them, each division represents

(A) 1°C
(B) 2°C
(C) 5°C
(D) 10°C

Correct Answer: B

Explanation:

(30 − 20) ÷ 5 = 2°C

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Question (21)

The SI unit of temperature is

Explanation:

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Question (22)

Convert 25°C into kelvin.

Explanation:

Link:

Question (23)

Convert 40°C into kelvin.

Explanation:

Link:

Question (24)

A sample has a temperature of 10°C. Its temperature in kelvin is

Explanation:

Link:

Question (25)

Which expression correctly converts Celsius temperature to kelvin?

Explanation:

Link:

Question (26)

A laboratory thermometer shown in the textbook has a range of

Explanation:

Link:

Question (27)

The lowest temperature measurable by the laboratory thermometer shown is

Explanation:

Link:

Question (28)

The highest temperature measurable by the laboratory thermometer shown is

Explanation:

Link:

Question (29)

A laboratory thermometer has marks at 0°C and 10°C with ten equal divisions between them. One small division represents

Explanation:

Link:

Question (30)

If a thermometer has marks at 20°C and 30°C with five equal divisions between them, each division represents

Explanation:

Link:

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