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Which one of the following is a natural polymer?
Which of the following is the strongest natural fiber?
Which of the following is used to make non-stick cookware?
The primary substance used for vulcanizing rubber is
Which of the following polymer is used to make Bullet proof glass?
Glass is soluble in
Glass is a
Which chemical is sprayed into clouds in the process of cloud seeding to bring in artificial rain?
Cinnabar (HgS) is an ore of which metal?
Which of the following is known as brown coal?
Gasohol is a mixture of–
Wood grain alcohol is
______ is most commonly formed by reaction of an acid and an alcohol.
L.P.G is a mixture of
Carbon dating is a technique used to estimate the age of
The solution used to detect glucose in urine is?
Gobar gas mainly contains which gas?
What is general formula for members of Olefin compounds?
Which alkane is known as marsh gas?
From the options given below, identify the substance which are sweet smelling ?
What is the molecular formula of Butyne?
A saturated hydrocarbon is also an
The compounds of carbon and hydrogen are called _________.
The molecular formula of Propane is ________.
താഴെ പറയുന്നവയിൽ ലോഹ ശുദ്ധീകരണത്തിന് സ്വീകരിക്കുന്ന മാർഗങ്ങളിൽ പെടാത്തത് ഏത് ?
വായുവിന്റെ സാന്നിധ്യത്തിൽ അയിരിനെ അതിന്റെ ദ്രവണാങ്കത്തേക്കാൾ കുറഞ്ഞ താപനിലയിൽ ചൂടാക്കുന്ന പ്രക്രിയ ഏത് ?
The process of depositing a layer of zinc on iron is called _______.
The compounds having same formula but different arrangements is called-
A solution turns red litmus blue, its pH is likely to be
To protect tooth decay we are advised to brush our teeth regularly. The nature of the tooth paste commonly used is
The pH of the gastric juices released during digestion is
Red litmus paper turns into which colour in basic / alkaline conditions?
Who discovered pH scale?
Which acid is used to test the purity of gold?
What is the range of pH scale?
What is the chemical name of ‘oil of vitriol’?
The colour of Phenolphthalein in acidic and basic solutions are_________, respectively
The acid used in storage batteries is
Which of the following contains Citric acid?
What is pH of Lemon Juice?
Which chemical is known as king of chemicals?
The most commonly used indicator in laboratories is ________.
………. is the process in which acids and bases react to form salts and water.
Ethanoic acid is commonly called?
What is the PH of human blood?
Neutral solutions have a pH of:
Which substance has the lowest pH?
An unknown substance is added to a solution and the pH increases. The substance is:
Acidic foods can be identified by what taste?
Which acid is produced in our stomach to help digestion process?