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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Fill in the Blank Liquids Have a Definite ______

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प्रश्न

Fill in the blank

Liquids have a definite ______

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उत्तर

Liquids have a definite Volume.

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पाठ 1: Matter and Its Composition - Objective type questions

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एस.पी. सिंह Concise Chemistry [English] Class 7 ICSE
पाठ 1 Matter and Its Composition
Objective type questions | Q 1.08

संबंधित प्रश्‍न

Name the scientist who studied the movement of pollen grains suspended in water through a microscope. What is this phenomenon known as?


Name the property which enables metals to be drawn into wires.


Which type of elements, metals or non-metals, show the property of brittleness ?


What is meant by saying that metals are lustrous ?


Fill in the following blanks with suitable words :

Brass is an alloy which is considered a ..............


State two physical properties on the basis of which metals can be distinguished from non-metals.


What are the three general classes of matter ? Give one example of each type.


Iron powder and sulphur powder were mixed together and divided into two parts A and B. When part A was heated strongly over a burner, then a substance C was formed. The part B was, however, not heated at all. When dilute hydrochloric acid was added to substance C, then gas D was evolved and when dilute hydrochloric acid was added to part B then gas E was evolved.

  1. What type of substance is B ?
  2. What type of substance is C ?
  3. Name the gas (i) D, and (ii) E ?
  4. State one characteristic property of gas D.
  5. Write one test to identify gas E.

Calculate the concentration of a solution which contains 2.5 g of salt dissolved in 50 g of water.


How is the impurity of iron present in several substances removed in industries ?


Which of the following mixture cannot be separated by using water as the solvent ?


Naphthalene can be separated from sand :


The best way to recover sugar from an aqueous sugar solution is :


The given mixture contains three constituents A, B and C. The constituent A is a yellow coloured, solid element which dissolves in a liquid D. The constituent B is a blue coloured salt which is insoluble in liquid D but dissolves easily in another liquid E. The constitudent C is a liquid which is used in cooking food and forms a solid fat on hydrogenation.

(a) What do you think could (i) constituent A, and (ii) liquid D be ?

(b) What could (i) constituent B, and (ii) liquid E be ?

(c) What could liquid C be ?

(d) How will you separate the mixture containing A, B and C ?


Asmita went to buy an earthen pot. There she saw many things kept for sale.
From what substance has the potter made all the things?


All the matter made of ______.


Gases do not diffuse very easily.


Give an example of a molecule.


Write scientific reason.

Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.


Define the term matter.


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