WorksheetsChemicals Names (रासायनिक नाम)
Total questions: 25
Worksheet time: 25mins
Name of HNO3 is ?
(HNO3 का नाम बताओ )
(a)
Write the name of H2SO4 .
(H2SO4 का नाम बताइए)
(a)
Chemical formula of hydrochloric acid
(हाइड्रोक्लोरिक अम्ल का सूत्र लिखिए)
(a)
Chemical formula of "Vinegar" / acetic acid is ........?......
(सफेद सिरका/एसिटिक अम्ल का सूत्र ................. है)
(a)
Mark the true statements about sucrose.
(इनमें से सुक्रोज के बारे में सही बात कौनसी है)
It is also called granulated sugar . (इसे दानेदार शुगर भी कहते हैं)
It's other name is Table sugar. (इसे टेबल शूगर भी कहते हैं)
This is White sugar which we can find in our kitchen. (यह रसोई में पाई जाने वाले सफेद चीनी है)
It is found in dairy products. (यह डेयरी उत्पाद में पाया जाता है)
Chemical formula C6H12O6 is used for ?
(इसमें C6H12O6 का रासायनिक नाम बताइए)
Fructose (फ्रुक्टोज)
Simple sugar (सरल शुगर)
Galactose (ग्लैक्टोज़)
Glucose (ग्लूकोज)
None (इनमें से कोई भी नहीं)
What is C12H22O11 ?
(यहां C12H22O11 क्या है)
This may be fructose which is found in fruits. (यह फ्रुक्टोज हो सकता है जो फलों में मिलता है)
This may be maltose which is found in Barley. (यह माल्टोस हो सकता है यह "जो" नामक पौधे में पाया जाता है)
This may be lactose which is found in milk or dairy products. (यह लैक्टोज़ हो सकता है जो दूध या दूध से बने पदार्थों में पाया जाता है)
This may be Table sugar which is found in plants. (यह पौधों में पाया जाने वाला टेबल शूगर हो सकता है)
Honey, Galactose, glucose and fructose are isomers. their chemical formula is.......?........
(शहद, ग्लैक्टोज़, ग्लूकोज तथा फ्रुक्टोज सभी समावयव हैं, इनका रासायनिक सूत्र.....................)
C12H22O11
C12H22O12
C6H12O6
C6H6O6
Mark the right matches.
(सही जोड़े बनाइए)
NaOH - sodium hydroxide (सोडियम हाइड्रोक्साइड)
KOH - POTASSIUM HYDROXIDE (पोटेशियम हाइड्रोक्साइड)
CaOH - calcium hydroxide (कैल्शियम हाइड्रोक्साइड)
NH4OH - Ammonium hydroxide (एल्यूमिनियम हाइड्रोक्साइड)
What is Na2ZnO2 ?
(a)
Chemical formula of quick lime is ....?...
CuO
CaCO3
CaO
MgO
Find the wrong match/matches .
AgCl - silver chloride
BaCl - barium chloride
CuCl2 - Copper chloride
PbCl2 - Led Chloride
Bright green corrosion in copper is called .......?.....
(a)
MgO is called ?
Marble
Milk of magnesia
Magnesium hydroxide
Magnetic oxide
Fe2O3 is called ?
Ferric oxide
Iron oxide
Rust of iron
None
Chemical formula of Baking soda is ....?.....
CaSO4.2H2O
Na2CO3
NaHCO3
CaSO4.½H2O
None
What is chemical formula of Plaster of Paris?
CaSO4.2H2O
CaSO4.½H2O
Na2CO3.10H2O
None
What is name of corrosion / black coating of Ag ?
(a)
Write the name of a silver compound used in making mirrors and in photography.
(a)
NH3 is ammonia then what is chemical formula of Ammonium chloride?
(a)
Write chemical formula of Baking soda.
(a)
MgO is called ?
Marble
Milk of magnesia
Magnesium hydroxide
Magnetic oxide
Find the wrong option / matche .
CuSO4 - copper sulphate
Na2SO4 - sodium sulphate
FeSO4 - Iron sulphate
BaSO4 - Barium sulphate
All matches are wrong.
Bleaching powder is used in beauty parlours, write it's chemical formula.
CaO - calcium oxide
CaCl2 - calcium chloride
Al2O3 - aluminium oxide
CaOCl2 - calcium oxychloride
What is Chemical formula of washing soda?
CaSO4.2H2O - Calcium sulphate dihydrate
Na2CO3.10H2O - sodium carbonate decahydrate
CuSO4.5H2O - Hydrated Copper sulphate
None
