Science Quizzes

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CHEMISTRY #3296

Why are atomic radii of noble gases larger than expected for their period?

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PHYSICS #2510

Radioactive waste with very long half-life requires __________ disposal.

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PHYSICS #2578

N-type semiconductors are doped with __________ atoms.

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PHYSICS #550

A uniform see-saw weighs 100 N, pivot at centre. Children weigh 250 N and 300 N. Where should they sit to balance? (Length 4 m total)

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PHYSICS #213

A steel bridge is 100 m long at 5°C. How much longer at 35°C? (α_steel = 0.000012/°C)

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CHEMISTRY #3643

Bond energies are usually expressed in __________ per mole.

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PHYSICS #1034

A gas has volume 300 mL at 0°C. Temperature to double volume at constant pressure?

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PHYSICS #653

Same data (f=8 Hz, λ=0.5 m). Find speed.

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PHYSICS #243

What is conduction?

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PHYSICS #1044

Calculate volume of 3 moles at 27°C and 2.02 × 10⁵ Pa. (R = 8.314 J/mol·K)

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PHYSICS #719

What does Fleming's Left-Hand Rule determine?

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PHYSICS #715

What type of magnet does a solenoid resemble when current flows?

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PHYSICS #2215

A CRO shows 2 cm deflection for a certain Y-plate voltage. If accelerating voltage is doubled, what is the new deflection for the same Y-plate voltage?

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PHYSICS #1636

What does the equation of continuity state?

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PHYSICS #761

Which of these is a common use of a convex mirror?

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CHEMISTRY #3436

Predict products for electrolysis of dilute sodium sulfate solution using inert electrodes. Why?

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PHYSICS #2559

Draw a full-wave rectifier circuit using a center-tapped transformer and two diodes.

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CHEMISTRY #3686

Write the equation for the reaction of chlorine with potassium iodide solution.

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PHYSICS #2213

An electron beam moves horizontally to the right. A magnetic field is directed into the page. Which way does it deflect?

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PHYSICS #1630

What does a refractive index of 1 mean?

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PHYSICS #1687

The continuity equation is based on the principle of conservation of __________.

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CHEMISTRY #3687

Explain the bleaching action of chlorine. How does it differ from that of sulphur dioxide?

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CHEMISTRY #2880

What is photochemical smog?

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CHEMISTRY #2627

Why is the non-luminous flame preferred for heating in the lab over the luminous flame?

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Think. Question. Solve. EdVibe Science Platform

Why are atomic radii of noble gases larger than expected for their period?

Radioactive waste with very long half-life requires __________ disposal.

N-type semiconductors are doped with __________ atoms.

A uniform see-saw weighs 100 N, pivot at centre. Children weigh 250 N and 300 N. Where should they sit to balance? (Length 4 m total)

A steel bridge is 100 m long at 5°C. How much longer at 35°C? (α_steel = 0.000012/°C)

Bond energies are usually expressed in __________ per mole.

A gas has volume 300 mL at 0°C. Temperature to double volume at constant pressure?

Same data (f=8 Hz, λ=0.5 m). Find speed.

What is conduction?

Calculate volume of 3 moles at 27°C and 2.02 × 10⁵ Pa. (R = 8.314 J/mol·K)

What does Fleming's Left-Hand Rule determine?

What type of magnet does a solenoid resemble when current flows?

A CRO shows 2 cm deflection for a certain Y-plate voltage. If accelerating voltage is doubled, what is the new deflection for the same Y-plate voltage?

What does the equation of continuity state?

Which of these is a common use of a convex mirror?

Predict products for electrolysis of dilute sodium sulfate solution using inert electrodes. Why?

Draw a full-wave rectifier circuit using a center-tapped transformer and two diodes.

Write the equation for the reaction of chlorine with potassium iodide solution.

An electron beam moves horizontally to the right. A magnetic field is directed into the page. Which way does it deflect?

What does a refractive index of 1 mean?

The continuity equation is based on the principle of conservation of __________.

Explain the bleaching action of chlorine. How does it differ from that of sulphur dioxide?

What is photochemical smog?

Why is the non-luminous flame preferred for heating in the lab over the luminous flame?