Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Subjects
0 reads0 ratings0 helpful

Which process can be involved in frost formation on an icy surface?

Answer and explanation

Correct answer: Direct deposition of water vapour as ice

Direct answer: B is correct. Frost is a deposit of ice crystals formed on a surface that is at or below the freezing point. When moist air touches a sufficiently cold surface, water vapour may change directly into solid ice without first becoming liquid water. This gas-to-solid change is called deposition, or reverse sublimation. B is correct because it identifies the process that can produce frost on an icy or sub-freezing surface. A is wrong because boiling changes liquid water into vapour and requires heating, not frost-forming cooling. C is unrelated: sea salt does not form frost. D is wrong because ordinary frost formation does not involve air becoming liquid oxygen. Dew is the useful comparison: dew is liquid water, while frost is solid ice. Memory cue: below freezing, vapour can deposit directly as frost.

Related tags

FrostDepositionIce CrystalsWater VapourForms Of Condensation: DewFogAnd MistForms Of Condensation Dew Frost Fog And MistWater In The AtmosphereGeography

Was this question useful?

No ratings yetWrite a review / Rate this question

Student Reviews

No published reviews yet.

Add Muft Shiksha to your Home Screen

In Safari, tap Share, then Add to Home Screen.