\u1ede c\u00e1c c\u00f4ng tr\u00ecnh ki\u1ebfn tr\u00fac c\u00f3 nhi\u1ec1u lo\u1ea1i c\u1ea5u ki\u1ec7n nh\u01b0 c\u1ed9t, bia ch\u1ebf t\u00e1c b\u1eb1ng \u0111\u00e1, trong \u0111\u00f3 c\u00f3 lo\u1ea1i b\u1eb1ng \u0111\u00e1 hoa. \u0110\u00e1 hoa c\u00f3 nhi\u1ec1u lo\u1ea1i: lo\u1ea1i c\u00f3 m\u00e0u tr\u1eafng tinh khi\u1ebft l\u1ea1i c\u00f3 m\u00e0u xanh v\u1eb1n \u0111en, v\u1eb1n tr\u1eafng, v\u1eb1n \u0111\u1ecf \u2026 th\u1eadt mu\u00f4n h\u00ecnh mu\u00f4n v\u1ebb.<\/p>\n\n\n\n
\u0110\u00e1 hoa l\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u ki\u1ebfn tr\u00fac qu\u00fd. \u0110\u00e1 hoa c\u00f3 th\u00e0nh ph\u1ea7n ch\u00ednh l\u00e0 canxi cacbonat. Lo\u1ea1i canxi cacbonat tinh khi\u1ebft c\u00f3 m\u00e0u tr\u1eafng. Lo\u1ea1i \u0111\u00e1 hoa tr\u1eafng hay \u0111\u00e1 b\u1ea1ch ng\u1ecdc ch\u00ednh l\u00e0 canxi cacbonat tinh khi\u1ebft.<\/p>\n\n\n\n
Canxi cacbonat kh\u00f3 tan trong n\u01b0\u1edbc, n\u00ean c\u00e1c c\u00f4ng tr\u00ecnh ki\u1ebfn tr\u00fac l\u00e0m b\u1eb1ng \u0111\u00e1 hoa th\u01b0\u1eddng kh\u00e1 b\u1ec1n v\u1eefng, d\u00f9 c\u00f3 d\u00e3i d\u1ea7u m\u01b0a n\u1eafng qua n\u0103m th\u00e1ng v\u1eabn \u0111\u1ee9ng tr\u01a1 tr\u01a1. Canxi cacbonat d\u1ec5 tan trong axit, n\u00ean khi canxi cacbonat g\u1eb7p axit clohy\u0111ric s\u1ebd ho\u00e0 tan \u0111\u1ec3 tho\u00e1t ra c\u00e1c b\u00f3ng kh\u00ed cacbon \u0111ioxit, m\u1ed9t l\u00fac sau s\u1ebd tan h\u1ebft. Ng\u01b0\u1eddi ta th\u01b0\u1eddng d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1ec3 th\u1eed \u0111\u00e1 hoa.<\/p>\n\n\n\n
\u0110\u00e1 hoa trong thi\u00ean nhi\u00ean kh\u00f4ng ph\u1ea3i canxi cacbonat tinh khi\u1ebft m\u00e0 c\u00f3 nhi\u1ec1u t\u1ea1p ch\u1ea5t kh\u00e1c nhau n\u00ean c\u00f3 m\u00e0u s\u1eafc kh\u00e1c nhau.<\/p>\n\n\n\n
\u0110\u00e1 hoa c\u00f3 nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau, m\u00e0u s\u1eafc \u0111a d\u1ea1ng: C\u00f3 lo\u1ea1i m\u00e0u h\u1ed3ng, c\u00f3 lo\u1ea1i m\u00e0u t\u00edm hoa \u0111\u1eadu, c\u00f3 lo\u1ea1i m\u00e0u \u0111en x\u00e1m\u2026 Lo\u1ea1i m\u00e0u \u0111\u1ecf do c\u00f3 ch\u1ee9a mu\u1ed1i caban, m\u00e0u xanh do c\u00f3 ch\u1ee9a mu\u1ed1i \u0111\u1ed3ng, m\u00e0u \u0111en ho\u1eb7c m\u00e0u x\u00e1m do c\u00f3 ch\u1ee9a s\u1eaft.<\/p>\n\n\n\n
\u0110\u00e1 hoa m\u1ecbn m\u1eb7t, \u0111\u1ec1u. Ng\u01b0\u1eddi ta kh\u00f4ng ch\u1ec9 d\u00f9ng \u0111\u00e1 hoa trong c\u00f4ng tr\u00ecnh ki\u1ebfn tr\u00fac m\u00e0 c\u00f2n d\u00f9ng \u0111\u1ec3 ch\u1ebf t\u00e1c nhi\u1ec1u \u0111\u1ed3 gia d\u1ee5ng nh\u01b0 l\u00e0m m\u1eb7t b\u00e0n, trong \u0111i\u00eau kh\u1eafc v\u00e0 trang tr\u00ed.<\/p>\n\n\n\n
Trong thi\u00ean nhi\u00ean c\u00f2n c\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i \u0111\u00e1 v\u00f4i c\u0169ng c\u00f3 th\u00e0nh ph\u1ea7n ch\u00ednh l\u00e0 canxi cacbonat. Nh\u01b0ng \u0111\u00e1 v\u00f4i c\u00f3 c\u1ea5u tr\u00fac th\u00f4 l\u1ea1i gi\u00f2n n\u00ean ng\u01b0\u1eddi ta kh\u00f4ng d\u00f9ng l\u00e0m vi\u1ec7c g\u00ec kh\u00e1c m\u00e0 ch\u1ec9 \u0111\u1ec3 nung v\u00f4i.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: \u0110\u00e1 hoa; Canxi cacbonat.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
\u1ede c\u00e1c c\u00f4ng tr\u00ecnh ki\u1ebfn tr\u00fac c\u00f3 nhi\u1ec1u lo\u1ea1i c\u1ea5u ki\u1ec7n nh\u01b0 c\u1ed9t, bia ch\u1ebf t\u00e1c b\u1eb1ng \u0111\u00e1, trong \u0111\u00f3 c\u00f3 lo\u1ea1i b\u1eb1ng \u0111\u00e1 hoa. \u0110\u00e1 hoa c\u00f3 nhi\u1ec1u lo\u1ea1i: lo\u1ea1i c\u00f3 m\u00e0u tr\u1eafng tinh khi\u1ebft l\u1ea1i c\u00f3 m\u00e0u xanh v\u1eb1n \u0111en, v\u1eb1n tr\u1eafng, v\u1eb1n \u0111\u1ecf \u2026 th\u1eadt mu\u00f4n h\u00ecnh mu\u00f4n v\u1ebb. \u0110\u00e1 hoa l\u00e0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[8,15],"tags":[],"class_list":["post-7757","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7757","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=7757"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7757\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}