What happens when CaC2 reacts with H2O?
What happens when CaC2 reacts with H2O?
Calcium carbide (CaC2) reacts with water to produce acetylene (C2H2): CaC2 (s) + 2H20 (g) → Ca(OH)2 (s) + C2H2 (g) Production of 13 g of C2H2 requires consumption of_18 g of H20? Balance the above equation. 12.
What is the Balanced equation of CaC2 H2O?
Search by products (C 2H 2, Ca(OH) 2)
| 1 | H2O + CaC2 → Ca(OH)2 + C2H2 |
|---|---|
| 2 | CaC2 + HOH → Ca(OH)2 + C2H2 |
What is the reaction of calcium carbide and water?
Calcium carbide is not volatile and not soluble in any known solvent, and reacts with water to yield acetylene gas and calcium hydroxide. Its density is 2.22 g/cm³. Its melting point is 2160 °C, and its boiling point is 2300 °C.
What happens when calcium hydroxide reacts with water?
Calcium hydroxide, also called slaked lime, Ca(OH)2, is obtained by the action of water on calcium oxide. When mixed with water, a small proportion of it dissolves, forming a solution known as limewater, the rest remaining as a suspension called milk of lime.
Why does Limewater turn milky?
Calcium hydroxide is sparingly soluble in water producing an alkaline solution known as limewater. When carbon dioxide gas is passed through or over limewater, it turns milky due to the formation of calcium carbonate.
Which substance is used for whitewashing?
Calcium oxide
Which salt is used for whitewashing?
(1) The solution of the substance used for whitewashing is calcium oxide also called quicklime with chemical formula CaO.
Which reaction is used in whitewashing walls?
Calcium hydroxide (slaked lime) produced in this reaction because of combination reaction between quick lime and water. This calcium hydroxide (slaked lime) is used in white washing of walls.
Which substance is used for loading?
alum
What is the purpose of loading?
Loading is a process used to speed up the process of sedimentation. The substance use in loading is “ALUM”. It basically help in purifying the contaminated water.
What is the process of loading?
Loading process (in chemistry) is the process used to speed up the sedimentation process with the help of chemical called ‘Alum’. The process of sedimentation is time consuming as the suspended particles take time to settle down to bottom. The process is sped up by the process called ‘loading’.
What is a loading?
A loading is an addition to an insurance premium to cover expenses or an extra risk. A loading is an addition to an insurance premium to cover expenses or an extra risk.
What is type of load?
Types of loads acting on a structure are: Dead loads. Imposed loads. Wind loads. Snow loads. Earthquake loads.
What is a loading effect?
Answer: The loading effect is the degree to which a measurement instrument impacts electrical properties (voltage, current, resistance) of a circuit.
What is another word for loading?
What is another word for loading?
| cargo | haul |
|---|---|
| freight | load |
| burden | payload |
| draughtUK | draftUS |
| weight | lading |
What is another name for buffer?
In this page you can discover 37 synonyms, antonyms, idiomatic expressions, and related words for buffer, like: shock-absorber, backstop, buffer storage, bumper, safeguard, cushion, shield, barrier, defense, fender and pad.
What is another word for lodging?
In this page you can discover 98 synonyms, antonyms, idiomatic expressions, and related words for lodging, like: harbor, hostelry, bestowing, hotel, sheltering, couching, asylum, pied à terre (French), port, protection and cover.
What is the opposite of loading?
Antonyms: unloading. Synonyms: burden, cargo, lading, shipment, freight, consignment, payload, load.
What is the opposite word of today?
What is the opposite of today?
| obsolete | out of date |
|---|---|
| outmoded | extinct |
| obscure | old |
| dated | defunct |
| deprecated | obsolescent |
What is the opposite of rejected?
Antonyms for reject. accept, agree (to), approve.
What does unload mean?
transitive verb. 1a(1) : to take off : deliver. (2) : to take the cargo from unload the truck. b : to give outlet to : pour forth unloaded her bitter feelings.
What does it mean to unload stocks?
To sell securities, especially all the shares one owns. Unloading has a connotation of selling at a loss, especially in a bear market or following a bad investment decision. See also: Bull trap.
What does Disburden mean?
transitive verb. 1a : to rid of a burden disburden a pack animal. b : unburden disburden your conscience. 2 : unload disburdened their merchandise in the town square.
What does load mean in science?
Load is a term frequently used in engineering to mean the force exerted on a surface or body.
What is SI unit of load?
SI unit of load and effort is Newton.
What are the types of load on beam?
Let us see here the various types of loads on beams in strength of materials
- Point load or concentrated load.
- Uniformly distributed load.
- Uniformly varying load.
What does nodding mean?
1 : to make a quick downward motion of the head whether deliberately (as in expressing assent or salutation) or involuntarily (as from drowsiness) She nodded in agreement. The guard nodded to us as we walked in. He sat nodding by the fire..
Where does nodding mean no?
To indicate refusal There are several exceptions: in Greece, Cyprus, Iran, Turkey, Bulgaria, Albania, and Sicily a single nod of the head up (not down) indicates a “no”. A person can denote “no” by simply raising their eyebrows and rolling up their eyes, with the head staying completely still.
Is nodding your head rude?
You have been warned! Though this signal means “okay” in the US, it is considered a rude gesture in other countries, and may get you into trouble. Photo by quinet. A typical Westerner will nod his or her head up and down in agreement.