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Sum of the age of total children = 16 ×12 = 192 Sum of the age of children after excluding teacher = 15 ×10 = 150 Teacher’s age = 192 – 150 = 42 years
Vinegar, commonly used in cooking, is primarily composed of which acid?
Which of the following statement is/are true?
I. Metal oxides are acidic in nature
II. Non-metallic oxides are basic in nature
What is the maximum value of deforming force up to which a material shows elastic property and above which the material loses it?
On a clean glass plate, a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because:
Acid rain is caused due to pollution of the atmosphere by:
In the periodic table of elements, what happens to the atomic radius as you move from left to right across a period?
Diamond does not conduct electricity because of which of the following reason?
Choose the wrong statement
The anode of the lead-storage battery is made up of which of the following metal?
Which substance is a multibranched polysaccharide of glucose used for energy storage in animals and fungi?