
એસિડ,બેઇઝ અને ક્ષાર( પ્ર્શાંત સોની)
Quiz
•
Science
•
10th Grade
•
Hard
Mare dheyay
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21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. દાંતનું ક્ષયન ક્યારે થાય છે?
જ્યારે મોંના અંદરના ભાગની pH 4.5 હોય ત્યારે
જ્યારે માઁના અંદરના ભાગની pH 5.0 કરતાં ઓછી હોય ત્યારે
જ્યારે માઁના અંદરના ભાગની pH 6.0 હોય ત્યારે
A. જ્યારે માઁના અંદરના ભાગની pH 5.5 કરતાં ઓછી હોય ત્યારે
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. નીચેના પૈકી કયું દ્રાવણ વધુ બેઝિક છે?
A. pH = 8.2
C. pH = 11.5
B. pH = 9.3
D. pH = 10.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. NH4CIના જલીય દ્રાવણની pH કેટલી હશે?
pH = 10
pH = 1
C. pH < 7
pH = 14
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. નીચેના પૈકી કયો ઍસિડ પ્રબળ છે ?
D. નાઇટ્રિક ઍસિડ
F. હાઇડ્રોક્લોરિક ઍસિડ
E. ફોસ્ફોરિક ઍસિડ
G. મલિક ઍસિડ
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. કયું દ્રાવણ તટસ્થ સ્વભાવ ધરાવે છે?
D. મીઠા પાણીનું દ્રાવણ
B. કાંટાળું દ્રાવણ
C. ધોવાના સોડાનું દ્રાવણ
A. મીઠા ફળોનો રસ
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
ઍસિડ અને બેઇઝ વચ્ચે તટસ્થીકરણ પ્રક્રિયા થઈ ...............અને ...........બને છે.
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