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What is needed as a source of energy for vital activities of the body?
(D) Carbohydrates Carbohydrate is needed as a source of energy for vital activities of the body.
(D) Carbohydrates
Carbohydrate is needed as a source of energy for vital activities of the body.
See lessThe existence of impurities _____ the freezing point of water.
(B) decreases The existence of impurities decreases the freezing point of water.
(B) decreases
The existence of impurities decreases the freezing point of water.
See lessAt room temperature, the pH value of pure water is
(C) 7 At room temperature, the pH value of pure water is 7.
(C) 7
At room temperature, the pH value of pure water is 7.
See lessThe “pH” is measurement of acidity or basicity of an aqueous solution. The pH means
(A) power of hydrogen The “pH” is the measurement of the acidity or basicity of an aqueous solution. The pH means the power of hydrogen.
(A) power of hydrogen
The “pH” is the measurement of the acidity or basicity of an aqueous solution. The pH means the power of hydrogen.
See lessWhen gas is ionized, _____ is formed.
(C) plasma When gas is ionized, plasma is formed.
(C) plasma
When gas is ionized, plasma is formed.
See lessIsotopes are atoms of the same element with different numbers of
(C) Neutrons Isotopes are atoms of the same element with different numbers of Neutrons.
(C) Neutrons
Isotopes are atoms of the same element with different numbers of Neutrons.
See lessAbout how many elements in the Periodic Table are Metals?
(D) 75% About 75% of elements in the Periodic Table are Metals.
(D) 75%
About 75% of elements in the Periodic Table are Metals.
See lessWhen salt is added to the pure water, its boiling point
(A) increases When salt is added to the pure water, its boiling point increases.
(A) increases
When salt is added to the pure water, its boiling point increases.
See lessThe most abundant component in Earth’s atmosphere (or Air) is
(C) Nitrogen The most abundant component in Earth’s atmosphere (or Air) is Nitrogen.
(C) Nitrogen
The most abundant component in Earth’s atmosphere (or Air) is Nitrogen.
See lessURL is an abbreviation for?
(B) Uniform Resource Locator URL is an abbreviation for Uniform Resource Locator.
(B) Uniform Resource Locator
URL is an abbreviation for Uniform Resource Locator.
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