LeaP-Quest, Quiz

LeaP-Quest, Quiz

10th - 12th Grade

10 Qs

quiz-placeholder

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LeaP-Quest, Quiz

LeaP-Quest, Quiz

Assessment

Quiz

Chemistry

10th - 12th Grade

Practice Problem

Hard

Created by

Sajid Ansari

Used 2+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Identify the metal which reacts with water slowly and form white rust

उस धातु की पहचान करें जो पानी के साथ धीरे-धीरे प्रतिक्रिया करती है और सफेद जंग बनाती है

Cu

Al

Fe

Ca

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

identify formula of baking soda

बेकिंग सोडा के सूत्र की पहचान करें

Na2CO3

NaHCO3

Na2HCO3

Na2HCO3

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

identify formula of washing soda

वाशिंग सोडा के सूत्र की पहचान करें

Na2CO3.10H2O

NaHCO3.10H2O

Na2CO3.5H2O

NaHCO3.5H2O

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

match Caustic potash and caustic soda

कास्टिक पोटाश और कास्टिक सोडा से मिलान

Caustic potash=NaOH

caustic soda=KOH

Caustic potash=K2OH

caustic soda=NaOH

Caustic potash=KOH

caustic soda=NaOH

Caustic potash=KOH

caustic soda=Na2OH

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

select the common preservatives(a substance used to preserve foodstuffs, wood, or other materials against decay)

सामान्य संरक्षक(खाद्य पदार्थों, लकड़ी या अन्य सामग्रियों को क्षय के खिलाफ संरक्षित करने के लिए उपयोग किया जाने वाला पदार्थ) का चयन करें

Sugar and Salt

Urea and ammonium sulphate

Soda and potash

Aluminium and Copper

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Identify the Ore of Aluminum with Formula

सूत्र के साथ एल्यूमीनियम के अयस्क की पहचान करें

Bauxite

Al2O3.2H2O

Bauxite

Al2O3.3H2O

Calcite

Al2O3.2H2O

Calcite

Al2O3.3H2O

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

which one is acidic salt

अम्लीय नमक कौन सा है?

Na2CO3

NaCl

CaCl2

Ca(OH)2

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