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Why cement is perishable?
Cement is perishable because it can absorb moisture from the air, causing it to harden and clump together. Exposure to moisture can lead to a chemical reaction that affects the chemical structure of the cement, reducing its ability to properly bond and harden when mixed with water. Proper storage in a dry environment is crucial to protect cement from perishing.
How can you make sand harden?
To make sand harden, you can mix it with water and a binding agent, such as clay or cement, to create a solid structure when it dries.
What happens after leaving liquid cement on the ground?
If liquid cement is left on the ground, it will harden and form a solid concrete surface. This process is called curing, and it usually takes around 24-48 hours for the cement to fully set depending on the specific product and conditions. It is important to protect the area while the cement is drying to prevent any damage or disturbance to the curing process.
Property of cement?
The properties of cement are,Chemical compositionLoss on ignitionInsoluble residuessulphur content and magnesia contentSoundnessHeat of hydrationSetting timeInitial setting timeFinal Setting timeFinenessStrength of cementConsistency.
How does cement dry up?
When water is added it starts a process beginning with the formation of short hexagonal crystals. it is this process of crystal formation which begins the setting process and usually is substantially complete after 24 hours. However, the crystals continue to form and fill up the spaces for weeks and even months as long as the cement is not allowed to dry out. When mixing cement it is recommended to keep it wet for at least 3 days, when it reaches maybe 80% of its final strength, but a week to ten days is better. Cement will continue to harden for several years. The strongest cement you can get is that which sets up underwater and is never allowed to dry out
What is present tense of harden?
"Harden" is the present tense. Ex. I harden the the cement by allowing it to dry. The past tense is hardened. The future tense is will harden.
Can cement tools be washed off in the kitchen sink and will the cement plug up and harden in the drain?
They should not be cleaned in the kitchen sink and YES, it will harden in the drain.
How do you harden cloth mummy decoration?
place it in cement
What is the present tense of harden?
"Harden" is the present tense. Ex. I harden the the cement by allowing it to dry. The past tense is hardened. The future tense is will harden.
Why cement is perishable?
Cement is perishable because it can absorb moisture from the air, causing it to harden and clump together. Exposure to moisture can lead to a chemical reaction that affects the chemical structure of the cement, reducing its ability to properly bond and harden when mixed with water. Proper storage in a dry environment is crucial to protect cement from perishing.
How can you make sand harden?
To make sand harden, you can mix it with water and a binding agent, such as clay or cement, to create a solid structure when it dries.
What animals eat cement?
I don't think any animals eat cement, but if they did then it would harden inside of them and they would die. Any animal who eats cement is called a cement eater therefore he eats cement and if they eat iit then they will die...... socement eaters are what eat cement
What is Chemical name of cement?
The very basic chemical compound of cement is Calcium Hydroxide. The calcium hydroxide is mixed with water and the carbon dioxide in the air acts on it to harden it.
What is meant by binder material in concrete?
The binder in concrete is usually cement. Cement causes the aggregate and sand to bind together mechanically and harden to make a solid surface.
What material is very durable artificial rock?
No. Cement is used to hold the rocks of concrete together. Cement by itself does harden in water. but it not a very hard or durable product.
Is lava most likely to form to high or low viscosity lava?
Low--it's easier for it to harden when it's not flowing. This is also why cement mixers spin to keep the cement from hardening.
What would happen if you ate cement?
The cement would harden inside of you. I don't even know why you would eat cement. It's probably toxic and plus you would be eating liquid rock so it wouldn't taste very good.
