Solved Which Of The Next Options Would Be The Poorest

BaCl₂ + K₂SO₄ → BaSO₄ + 2KCl A) precipitation B) acid-base C) redox D) decomposition E) None of those decisions is appropriate. Fe + 2Fe³⁺ → 3Fe²⁺ A) precipitation B) acid-base C) redox D) decomposition E) None of those choices is appropriate. KOH + HCl → KCl + H₂O A) precipitation B) acid-base C) redox D) combination E) None of those choices is right. Fe²⁺ + 2OH⁻ → Fe₂ A) precipitation B) acid-base C) redox D) decomposition E) None of those choices is correct. 2Na + 2H₂O → 2NaOH + H₂ A) precipitation B) acid-base C) redox D) combination E) None of these choices is appropriate.

Add a couple of drops of dilute sulphuric acid to copper sulphate solution to make it extra conducting. Connect the copper plates to the terminals of a battery and immerse them in copper sulphate solution (Fig. 14.4). Take out the ends of the tester from the lemon juice, dip them in water after which wipe them dry. Repeat the activity with other liquids such as tap water, vegetable oil, milk, honey. In every case observe whether the magnetic needle shows deflection or not. In this exercise the bulb glows which reveals that lemon juice and vinegar each conducts electrical energy, therefore they’re good conductors of electricity.

Heat is thermal power and is transferred from one place to another by conduction. (T/F) A mixture reaction may be a displacement response. (T/F) The combustion of a component is always a mixture response. Sodium tripolyphosphate is used in detergents to make them efficient in hard water. Calculate the oxidation number of phosphorus in Na₅P₃O₁₀.

A conductor of electricity is any materials that enables the move of electrical cost in any course. Based on the ease of the flow of electrical expenses, conductors could be classified as good conductors, semi-conductors, and poor conductors of electrical energy. Materials made of metals are the most common examples of excellent conductors of electrical energy. Semiconductors include supplies like silicon, semiconducting polymers, and so on. Poor conductor of electrical energy consists of supplies like polymers, plastic, wooden, glass, and so on.

Select the classification for the next response. NH₃ + HNO₃ → NH₄NO₃ A) precipitation B) acid-base C) redox D) decomposition E) None of these selections is right. The sea water accommodates more salts dissolved in it as in comparability with the tap water. So, the deflection of the compass needle is extra.

Resistance exhibited by conductors follows a direct proportionality with temperature. Where R is the resistance, I is present, and V is the voltage across the conductor. Hence, the working principle of an electrical fuse is the heating impact of electrical current. In a given conductor, the property of a free electron is defined by its mobility, and the movement known as drift. (T/F) All combustion reactions are categorised as combination reactions.

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