Practice Chemistry GS Questions and Answers
- Terylene is a condensation polymer of ethylene glycol and which acid?
- The conversion of hard water into soft water by boiling or adding calcium hydroxide is called:
- When cathode rays strike a target of high atomic weight, they give rise to:
- Biofertilizers convert nitrogen to:
- Which drug is used as an anti-inflammatory?
- In the periodic table of elements, what happens to the atomic radius as you move from left to right across a period?
- Which radioactive element is used in heart pacemakers?
- Acid rain is caused due to pollution of the atmosphere by:
- The common name of hydrogen peroxide is:
- Which element gives hardness to stainless steel?
- _____ are a group of chemicals that influence cell division and shoot formation.
- What is the name of the acid in an ant's sting?
- _____ is the movement of chemicals in the upper layers of soil into lower layers or into groundwater by being dissolved in water.
- _____ is used for making chemical apparatus like beakers, flasks, etc.
- The process of depositing a layer of any desired metal on another material by means of electricity is called:
- Which element is commonly used in nuclear reactors for producing electricity by nuclear fission?
- Which base is present in soap?
- Which gas is produced due to incomplete combustion of fuel?
- Magnesium oxide (MgO) + Water (H2O) = ?
- Anions are formed through which process?
- The anode in a dry cell consists of:
- If water smells bad, then that odor can be removed by adding:
- Which bond is weakest in nature?
- What is the chemical name for baking soda?
- NaCl has which kind of bonds?
- Which chemical is used to generate light to weld metals?
- Ethane gas has a slightly _____ taste.
- Turquoise is an ore/mineral of:
- The process of gaining electrons is known as:
- What does trypsin do?
- During which operating conditions of an automobile is carbon monoxide content in exhaust gas maximum?
- What is the viscosity of an ideal fluid?
- The most abundant metal in the Earth's crust is:
- Name the source from which aspirin is produced?
- What is heavy water?
- In a compound, the elements are always present in definite proportions by:
- What is the nature of the pH of milk?
- Which is the best fire-extinguisher?
- Marble is a metamorphic rock of:
- Which chemical is also known as carbolic acid?